4980560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4789}}^1$

素因数の和:4815

約数の個数: 40

約数和(自身を含む): 12473160

約数和(自身を除く): 7492600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 4789, 9578, 19156, 23945, 38312, 47890, 62257, 76624, 95780, 124514, 191560, 249028, 311285, 383120, 498056, 622570, 996112, 1245140, 2490280, 4980560]

約数ペア:

[(1, 4980560), (2, 2490280), (4, 1245140), (5, 996112), (8, 622570), (10, 498056), (13, 383120), (16, 311285), (20, 249028), (26, 191560), (40, 124514), (52, 95780), (65, 76624), (80, 62257), (104, 47890), (130, 38312), (208, 23945), (260, 19156), (520, 9578), (1040, 4789)]