79960400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{15377}}^1$

素因数の和:15408

約数の個数: 60

約数和(自身を含む): 206895612

約数和(自身を除く): 126935212

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 15377, 30754, 61508, 76885, 123016, 153770, 199901, 246032, 307540, 384425, 399802, 615080, 768850, 799604, 999505, 1230160, 1537700, 1599208, 1999010, 3075400, 3198416, 3998020, 4997525, 6150800, 7996040, 9995050, 15992080, 19990100, 39980200, 79960400]

約数ペア:

[(1, 79960400), (2, 39980200), (4, 19990100), (5, 15992080), (8, 9995050), (10, 7996040), (13, 6150800), (16, 4997525), (20, 3998020), (25, 3198416), (26, 3075400), (40, 1999010), (50, 1599208), (52, 1537700), (65, 1230160), (80, 999505), (100, 799604), (104, 768850), (130, 615080), (200, 399802), (208, 384425), (260, 307540), (325, 246032), (400, 199901), (520, 153770), (650, 123016), (1040, 76885), (1300, 61508), (2600, 30754), (5200, 15377)]