123702800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23789}}^1$

素因数の和:23820

約数の個数: 60

約数和(自身を含む): 320070660

約数和(自身を除く): 196367860

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, 23789, 47578, 95156, 118945, 190312, 237890, 309257, 380624, 475780, 594725, 618514, 951560, 1189450, 1237028, 1546285, 1903120, 2378900, 2474056, 3092570, 4757800, 4948112, 6185140, 7731425, 9515600, 12370280, 15462850, 24740560, 30925700, 61851400, 123702800]

約数ペア:

[(1, 123702800), (2, 61851400), (4, 30925700), (5, 24740560), (8, 15462850), (10, 12370280), (13, 9515600), (16, 7731425), (20, 6185140), (25, 4948112), (26, 4757800), (40, 3092570), (50, 2474056), (52, 2378900), (65, 1903120), (80, 1546285), (100, 1237028), (104, 1189450), (130, 951560), (200, 618514), (208, 594725), (260, 475780), (325, 380624), (400, 309257), (520, 237890), (650, 190312), (1040, 118945), (1300, 95156), (2600, 47578), (5200, 23789)]