51665120

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:508

約数の個数: 96

約数和(自身を含む): 133993440

約数和(自身を除く): 82328320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 59, 65, 80, 104, 118, 130, 160, 208, 236, 260, 295, 416, 421, 472, 520, 590, 767, 842, 944, 1040, 1180, 1534, 1684, 1888, 2080, 2105, 2360, 3068, 3368, 3835, 4210, 4720, 5473, 6136, 6736, 7670, 8420, 9440, 10946, 12272, 13472, 15340, 16840, 21892, 24544, 24839, 27365, 30680, 33680, 43784, 49678, 54730, 61360, 67360, 87568, 99356, 109460, 122720, 124195, 175136, 198712, 218920, 248390, 322907, 397424, 437840, 496780, 645814, 794848, 875680, 993560, 1291628, 1614535, 1987120, 2583256, 3229070, 3974240, 5166512, 6458140, 10333024, 12916280, 25832560, 51665120]

約数ペア:

[(1, 51665120), (2, 25832560), (4, 12916280), (5, 10333024), (8, 6458140), (10, 5166512), (13, 3974240), (16, 3229070), (20, 2583256), (26, 1987120), (32, 1614535), (40, 1291628), (52, 993560), (59, 875680), (65, 794848), (80, 645814), (104, 496780), (118, 437840), (130, 397424), (160, 322907), (208, 248390), (236, 218920), (260, 198712), (295, 175136), (416, 124195), (421, 122720), (472, 109460), (520, 99356), (590, 87568), (767, 67360), (842, 61360), (944, 54730), (1040, 49678), (1180, 43784), (1534, 33680), (1684, 30680), (1888, 27365), (2080, 24839), (2105, 24544), (2360, 21892), (3068, 16840), (3368, 15340), (3835, 13472), (4210, 12272), (4720, 10946), (5473, 9440), (6136, 8420), (6736, 7670)]