25859340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:328

約数の個数: 144

約数和(自身を含む): 86774688

約数和(自身を除く): 60915348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 43, 45, 52, 60, 65, 78, 86, 90, 117, 129, 130, 156, 172, 180, 195, 215, 234, 257, 258, 260, 387, 390, 430, 468, 514, 516, 559, 585, 645, 771, 774, 780, 860, 1028, 1118, 1170, 1285, 1290, 1542, 1548, 1677, 1935, 2236, 2313, 2340, 2570, 2580, 2795, 3084, 3341, 3354, 3855, 3870, 4626, 5031, 5140, 5590, 6682, 6708, 7710, 7740, 8385, 9252, 10023, 10062, 11051, 11180, 11565, 13364, 15420, 16705, 16770, 20046, 20124, 22102, 23130, 25155, 30069, 33153, 33410, 33540, 40092, 44204, 46260, 50115, 50310, 55255, 60138, 66306, 66820, 99459, 100230, 100620, 110510, 120276, 132612, 143663, 150345, 165765, 198918, 200460, 221020, 287326, 300690, 331530, 397836, 430989, 497295, 574652, 601380, 663060, 718315, 861978, 994590, 1292967, 1436630, 1723956, 1989180, 2154945, 2585934, 2873260, 4309890, 5171868, 6464835, 8619780, 12929670, 25859340]

約数ペア:

[(1, 25859340), (2, 12929670), (3, 8619780), (4, 6464835), (5, 5171868), (6, 4309890), (9, 2873260), (10, 2585934), (12, 2154945), (13, 1989180), (15, 1723956), (18, 1436630), (20, 1292967), (26, 994590), (30, 861978), (36, 718315), (39, 663060), (43, 601380), (45, 574652), (52, 497295), (60, 430989), (65, 397836), (78, 331530), (86, 300690), (90, 287326), (117, 221020), (129, 200460), (130, 198918), (156, 165765), (172, 150345), (180, 143663), (195, 132612), (215, 120276), (234, 110510), (257, 100620), (258, 100230), (260, 99459), (387, 66820), (390, 66306), (430, 60138), (468, 55255), (514, 50310), (516, 50115), (559, 46260), (585, 44204), (645, 40092), (771, 33540), (774, 33410), (780, 33153), (860, 30069), (1028, 25155), (1118, 23130), (1170, 22102), (1285, 20124), (1290, 20046), (1542, 16770), (1548, 16705), (1677, 15420), (1935, 13364), (2236, 11565), (2313, 11180), (2340, 11051), (2570, 10062), (2580, 10023), (2795, 9252), (3084, 8385), (3341, 7740), (3354, 7710), (3855, 6708), (3870, 6682), (4626, 5590), (5031, 5140)]