9948799120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{19483}}^1$

素因数の和:20000

約数の個数: 80

約数和(自身を含む): 24962277312

約数和(自身を除く): 15013478192

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 491, 520, 982, 1040, 1964, 2455, 3928, 4910, 6383, 7856, 9820, 12766, 19483, 19640, 25532, 31915, 38966, 39280, 51064, 63830, 77932, 97415, 102128, 127660, 155864, 194830, 253279, 255320, 311728, 389660, 506558, 510640, 779320, 1013116, 1266395, 1558640, 2026232, 2532790, 4052464, 5065580, 9566153, 10131160, 19132306, 20262320, 38264612, 47830765, 76529224, 95661530, 124359989, 153058448, 191323060, 248719978, 382646120, 497439956, 621799945, 765292240, 994879912, 1243599890, 1989759824, 2487199780, 4974399560, 9948799120]

約数ペア:

[(1, 9948799120), (2, 4974399560), (4, 2487199780), (5, 1989759824), (8, 1243599890), (10, 994879912), (13, 765292240), (16, 621799945), (20, 497439956), (26, 382646120), (40, 248719978), (52, 191323060), (65, 153058448), (80, 124359989), (104, 95661530), (130, 76529224), (208, 47830765), (260, 38264612), (491, 20262320), (520, 19132306), (982, 10131160), (1040, 9566153), (1964, 5065580), (2455, 4052464), (3928, 2532790), (4910, 2026232), (6383, 1558640), (7856, 1266395), (9820, 1013116), (12766, 779320), (19483, 510640), (19640, 506558), (25532, 389660), (31915, 311728), (38966, 255320), (39280, 253279), (51064, 194830), (63830, 155864), (77932, 127660), (97415, 102128)]