12653940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16223}}^1$

素因数の和:16248

約数の個数: 48

約数和(自身を含む): 38158848

約数和(自身を除く): 25504908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 16223, 32446, 48669, 64892, 81115, 97338, 162230, 194676, 210899, 243345, 324460, 421798, 486690, 632697, 843596, 973380, 1054495, 1265394, 2108990, 2530788, 3163485, 4217980, 6326970, 12653940]

約数ペア:

[(1, 12653940), (2, 6326970), (3, 4217980), (4, 3163485), (5, 2530788), (6, 2108990), (10, 1265394), (12, 1054495), (13, 973380), (15, 843596), (20, 632697), (26, 486690), (30, 421798), (39, 324460), (52, 243345), (60, 210899), (65, 194676), (78, 162230), (130, 97338), (156, 81115), (195, 64892), (260, 48669), (390, 32446), (780, 16223)]