13100320

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1997}}^1$

素因数の和:2053

約数の個数: 48

約数和(自身を含む): 31720248

約数和(自身を除く): 18619928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 1997, 3280, 3994, 6560, 7988, 9985, 15976, 19970, 31952, 39940, 63904, 79880, 81877, 159760, 163754, 319520, 327508, 409385, 655016, 818770, 1310032, 1637540, 2620064, 3275080, 6550160, 13100320]

約数ペア:

[(1, 13100320), (2, 6550160), (4, 3275080), (5, 2620064), (8, 1637540), (10, 1310032), (16, 818770), (20, 655016), (32, 409385), (40, 327508), (41, 319520), (80, 163754), (82, 159760), (160, 81877), (164, 79880), (205, 63904), (328, 39940), (410, 31952), (656, 19970), (820, 15976), (1312, 9985), (1640, 7988), (1997, 6560), (3280, 3994)]