8363940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10723}}^1$

素因数の和:10748

約数の個数: 48

約数和(自身を含む): 25222848

約数和(自身を除く): 16858908

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, 10723, 21446, 32169, 42892, 53615, 64338, 107230, 128676, 139399, 160845, 214460, 278798, 321690, 418197, 557596, 643380, 696995, 836394, 1393990, 1672788, 2090985, 2787980, 4181970, 8363940]

約数ペア:

[(1, 8363940), (2, 4181970), (3, 2787980), (4, 2090985), (5, 1672788), (6, 1393990), (10, 836394), (12, 696995), (13, 643380), (15, 557596), (20, 418197), (26, 321690), (30, 278798), (39, 214460), (52, 160845), (60, 139399), (65, 128676), (78, 107230), (130, 64338), (156, 53615), (195, 42892), (260, 32169), (390, 21446), (780, 10723)]