9990760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19213}}^1$

素因数の和:19237

約数の個数: 32

約数和(自身を含む): 24209640

約数和(自身を除く): 14218880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 19213, 38426, 76852, 96065, 153704, 192130, 249769, 384260, 499538, 768520, 999076, 1248845, 1998152, 2497690, 4995380, 9990760]

約数ペア:

[(1, 9990760), (2, 4995380), (4, 2497690), (5, 1998152), (8, 1248845), (10, 999076), (13, 768520), (20, 499538), (26, 384260), (40, 249769), (52, 192130), (65, 153704), (104, 96065), (130, 76852), (260, 38426), (520, 19213)]