19120400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3677}}^1$

素因数の和:3708

約数の個数: 60

約数和(自身を含む): 49483812

約数和(自身を除く): 30363412

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, 3677, 5200, 7354, 14708, 18385, 29416, 36770, 47801, 58832, 73540, 91925, 95602, 147080, 183850, 191204, 239005, 294160, 367700, 382408, 478010, 735400, 764816, 956020, 1195025, 1470800, 1912040, 2390050, 3824080, 4780100, 9560200, 19120400]

約数ペア:

[(1, 19120400), (2, 9560200), (4, 4780100), (5, 3824080), (8, 2390050), (10, 1912040), (13, 1470800), (16, 1195025), (20, 956020), (25, 764816), (26, 735400), (40, 478010), (50, 382408), (52, 367700), (65, 294160), (80, 239005), (100, 191204), (104, 183850), (130, 147080), (200, 95602), (208, 91925), (260, 73540), (325, 58832), (400, 47801), (520, 36770), (650, 29416), (1040, 18385), (1300, 14708), (2600, 7354), (3677, 5200)]