25221540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:421

約数の個数: 96

約数和(自身を含む): 75962880

約数和(自身を除く): 50741340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 79, 85, 102, 158, 170, 204, 237, 255, 313, 316, 340, 395, 474, 510, 626, 790, 939, 948, 1020, 1185, 1252, 1343, 1565, 1580, 1878, 2370, 2686, 3130, 3756, 4029, 4695, 4740, 5321, 5372, 6260, 6715, 8058, 9390, 10642, 13430, 15963, 16116, 18780, 20145, 21284, 24727, 26605, 26860, 31926, 40290, 49454, 53210, 63852, 74181, 79815, 80580, 98908, 106420, 123635, 148362, 159630, 247270, 296724, 319260, 370905, 420359, 494540, 741810, 840718, 1261077, 1483620, 1681436, 2101795, 2522154, 4203590, 5044308, 6305385, 8407180, 12610770, 25221540]

約数ペア:

[(1, 25221540), (2, 12610770), (3, 8407180), (4, 6305385), (5, 5044308), (6, 4203590), (10, 2522154), (12, 2101795), (15, 1681436), (17, 1483620), (20, 1261077), (30, 840718), (34, 741810), (51, 494540), (60, 420359), (68, 370905), (79, 319260), (85, 296724), (102, 247270), (158, 159630), (170, 148362), (204, 123635), (237, 106420), (255, 98908), (313, 80580), (316, 79815), (340, 74181), (395, 63852), (474, 53210), (510, 49454), (626, 40290), (790, 31926), (939, 26860), (948, 26605), (1020, 24727), (1185, 21284), (1252, 20145), (1343, 18780), (1565, 16116), (1580, 15963), (1878, 13430), (2370, 10642), (2686, 9390), (3130, 8058), (3756, 6715), (4029, 6260), (4695, 5372), (4740, 5321)]