40647880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{859}}^1$

素因数の和:903

約数の個数: 96

約数和(自身を含む): 113313600

約数和(自身を除く): 72665720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 169, 182, 260, 280, 338, 364, 455, 520, 676, 728, 845, 859, 910, 1183, 1352, 1690, 1718, 1820, 2366, 3380, 3436, 3640, 4295, 4732, 5915, 6013, 6760, 6872, 8590, 9464, 11167, 11830, 12026, 17180, 22334, 23660, 24052, 30065, 34360, 44668, 47320, 48104, 55835, 60130, 78169, 89336, 111670, 120260, 145171, 156338, 223340, 240520, 290342, 312676, 390845, 446680, 580684, 625352, 725855, 781690, 1016197, 1161368, 1451710, 1563380, 2032394, 2903420, 3126760, 4064788, 5080985, 5806840, 8129576, 10161970, 20323940, 40647880]

約数ペア:

[(1, 40647880), (2, 20323940), (4, 10161970), (5, 8129576), (7, 5806840), (8, 5080985), (10, 4064788), (13, 3126760), (14, 2903420), (20, 2032394), (26, 1563380), (28, 1451710), (35, 1161368), (40, 1016197), (52, 781690), (56, 725855), (65, 625352), (70, 580684), (91, 446680), (104, 390845), (130, 312676), (140, 290342), (169, 240520), (182, 223340), (260, 156338), (280, 145171), (338, 120260), (364, 111670), (455, 89336), (520, 78169), (676, 60130), (728, 55835), (845, 48104), (859, 47320), (910, 44668), (1183, 34360), (1352, 30065), (1690, 24052), (1718, 23660), (1820, 22334), (2366, 17180), (3380, 12026), (3436, 11830), (3640, 11167), (4295, 9464), (4732, 8590), (5915, 6872), (6013, 6760)]