39577720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 111767040

約数和(自身を除く): 72189320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 83, 91, 104, 130, 131, 140, 166, 182, 260, 262, 280, 332, 364, 415, 455, 520, 524, 581, 655, 664, 728, 830, 910, 917, 1048, 1079, 1162, 1310, 1660, 1703, 1820, 1834, 2158, 2324, 2620, 2905, 3320, 3406, 3640, 3668, 4316, 4585, 4648, 5240, 5395, 5810, 6812, 7336, 7553, 8515, 8632, 9170, 10790, 10873, 11620, 11921, 13624, 15106, 17030, 18340, 21580, 21746, 23240, 23842, 30212, 34060, 36680, 37765, 43160, 43492, 47684, 54365, 59605, 60424, 68120, 75530, 76111, 86984, 95368, 108730, 119210, 141349, 151060, 152222, 217460, 238420, 282698, 302120, 304444, 380555, 434920, 476840, 565396, 608888, 706745, 761110, 989443, 1130792, 1413490, 1522220, 1978886, 2826980, 3044440, 3957772, 4947215, 5653960, 7915544, 9894430, 19788860, 39577720]

約数ペア:

[(1, 39577720), (2, 19788860), (4, 9894430), (5, 7915544), (7, 5653960), (8, 4947215), (10, 3957772), (13, 3044440), (14, 2826980), (20, 1978886), (26, 1522220), (28, 1413490), (35, 1130792), (40, 989443), (52, 761110), (56, 706745), (65, 608888), (70, 565396), (83, 476840), (91, 434920), (104, 380555), (130, 304444), (131, 302120), (140, 282698), (166, 238420), (182, 217460), (260, 152222), (262, 151060), (280, 141349), (332, 119210), (364, 108730), (415, 95368), (455, 86984), (520, 76111), (524, 75530), (581, 68120), (655, 60424), (664, 59605), (728, 54365), (830, 47684), (910, 43492), (917, 43160), (1048, 37765), (1079, 36680), (1162, 34060), (1310, 30212), (1660, 23842), (1703, 23240), (1820, 21746), (1834, 21580), (2158, 18340), (2324, 17030), (2620, 15106), (2905, 13624), (3320, 11921), (3406, 11620), (3640, 10873), (3668, 10790), (4316, 9170), (4585, 8632), (4648, 8515), (5240, 7553), (5395, 7336), (5810, 6812)]