22403940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28723}}^1$

素因数の和:28748

約数の個数: 48

約数和(自身を含む): 67558848

約数和(自身を除く): 45154908

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, 28723, 57446, 86169, 114892, 143615, 172338, 287230, 344676, 373399, 430845, 574460, 746798, 861690, 1120197, 1493596, 1723380, 1866995, 2240394, 3733990, 4480788, 5600985, 7467980, 11201970, 22403940]

約数ペア:

[(1, 22403940), (2, 11201970), (3, 7467980), (4, 5600985), (5, 4480788), (6, 3733990), (10, 2240394), (12, 1866995), (13, 1723380), (15, 1493596), (20, 1120197), (26, 861690), (30, 746798), (39, 574460), (52, 430845), (60, 373399), (65, 344676), (78, 287230), (130, 172338), (156, 143615), (195, 114892), (260, 86169), (390, 57446), (780, 28723)]