40990040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11261}}^1$

素因数の和:11292

約数の個数: 64

約数和(自身を含む): 113520960

約数和(自身を除く): 72530920

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, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 11261, 22522, 45044, 56305, 78827, 90088, 112610, 146393, 157654, 225220, 292786, 315308, 394135, 450440, 585572, 630616, 731965, 788270, 1024751, 1171144, 1463930, 1576540, 2049502, 2927860, 3153080, 4099004, 5123755, 5855720, 8198008, 10247510, 20495020, 40990040]

約数ペア:

[(1, 40990040), (2, 20495020), (4, 10247510), (5, 8198008), (7, 5855720), (8, 5123755), (10, 4099004), (13, 3153080), (14, 2927860), (20, 2049502), (26, 1576540), (28, 1463930), (35, 1171144), (40, 1024751), (52, 788270), (56, 731965), (65, 630616), (70, 585572), (91, 450440), (104, 394135), (130, 315308), (140, 292786), (182, 225220), (260, 157654), (280, 146393), (364, 112610), (455, 90088), (520, 78827), (728, 56305), (910, 45044), (1820, 22522), (3640, 11261)]