2051274379960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{28379557}}^1$

素因数の和:28379720

約数の個数: 64

約数和(自身を含む): 5006154031200

約数和(自身を除く): 2954879651240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 139, 260, 278, 520, 556, 695, 1112, 1390, 1807, 2780, 3614, 5560, 7228, 9035, 14456, 18070, 36140, 72280, 28379557, 56759114, 113518228, 141897785, 227036456, 283795570, 368934241, 567591140, 737868482, 1135182280, 1475736964, 1844671205, 2951473928, 3689342410, 3944758423, 7378684820, 7889516846, 14757369640, 15779033692, 19723792115, 31558067384, 39447584230, 51281859499, 78895168460, 102563718998, 157790336920, 205127437996, 256409297495, 410254875992, 512818594990, 1025637189980, 2051274379960]

約数ペア:

[(1, 2051274379960), (2, 1025637189980), (4, 512818594990), (5, 410254875992), (8, 256409297495), (10, 205127437996), (13, 157790336920), (20, 102563718998), (26, 78895168460), (40, 51281859499), (52, 39447584230), (65, 31558067384), (104, 19723792115), (130, 15779033692), (139, 14757369640), (260, 7889516846), (278, 7378684820), (520, 3944758423), (556, 3689342410), (695, 2951473928), (1112, 1844671205), (1390, 1475736964), (1807, 1135182280), (2780, 737868482), (3614, 567591140), (5560, 368934241), (7228, 283795570), (9035, 227036456), (14456, 141897785), (18070, 113518228), (36140, 56759114), (72280, 28379557)]