40866280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:243

約数の個数: 128

約数和(自身を含む): 115315200

約数和(自身を除く): 74448920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 103, 104, 109, 130, 140, 182, 206, 218, 260, 280, 364, 412, 436, 455, 515, 520, 545, 721, 728, 763, 824, 872, 910, 1030, 1090, 1339, 1417, 1442, 1526, 1820, 2060, 2180, 2678, 2834, 2884, 3052, 3605, 3640, 3815, 4120, 4360, 5356, 5668, 5768, 6104, 6695, 7085, 7210, 7630, 9373, 9919, 10712, 11227, 11336, 13390, 14170, 14420, 15260, 18746, 19838, 22454, 26780, 28340, 28840, 30520, 37492, 39676, 44908, 46865, 49595, 53560, 56135, 56680, 74984, 78589, 79352, 89816, 93730, 99190, 112270, 145951, 157178, 187460, 198380, 224540, 291902, 314356, 374920, 392945, 396760, 449080, 583804, 628712, 729755, 785890, 1021657, 1167608, 1459510, 1571780, 2043314, 2919020, 3143560, 4086628, 5108285, 5838040, 8173256, 10216570, 20433140, 40866280]

約数ペア:

[(1, 40866280), (2, 20433140), (4, 10216570), (5, 8173256), (7, 5838040), (8, 5108285), (10, 4086628), (13, 3143560), (14, 2919020), (20, 2043314), (26, 1571780), (28, 1459510), (35, 1167608), (40, 1021657), (52, 785890), (56, 729755), (65, 628712), (70, 583804), (91, 449080), (103, 396760), (104, 392945), (109, 374920), (130, 314356), (140, 291902), (182, 224540), (206, 198380), (218, 187460), (260, 157178), (280, 145951), (364, 112270), (412, 99190), (436, 93730), (455, 89816), (515, 79352), (520, 78589), (545, 74984), (721, 56680), (728, 56135), (763, 53560), (824, 49595), (872, 46865), (910, 44908), (1030, 39676), (1090, 37492), (1339, 30520), (1417, 28840), (1442, 28340), (1526, 26780), (1820, 22454), (2060, 19838), (2180, 18746), (2678, 15260), (2834, 14420), (2884, 14170), (3052, 13390), (3605, 11336), (3640, 11227), (3815, 10712), (4120, 9919), (4360, 9373), (5356, 7630), (5668, 7210), (5768, 7085), (6104, 6695)]