171652720

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{10169}}^1$

素因数の和:10393

約数の個数: 40

約数和(自身を含む): 401023440

約数和(自身を除く): 229370720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 8440, 10169, 16880, 20338, 40676, 50845, 81352, 101690, 162704, 203380, 406760, 813520, 2145659, 4291318, 8582636, 10728295, 17165272, 21456590, 34330544, 42913180, 85826360, 171652720]

約数ペア:

[(1, 171652720), (2, 85826360), (4, 42913180), (5, 34330544), (8, 21456590), (10, 17165272), (16, 10728295), (20, 8582636), (40, 4291318), (80, 2145659), (211, 813520), (422, 406760), (844, 203380), (1055, 162704), (1688, 101690), (2110, 81352), (3376, 50845), (4220, 40676), (8440, 20338), (10169, 16880)]