17690320

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{557}}^1$

素因数の和:967

約数の個数: 40

約数和(自身を含む): 41307624

約数和(自身を除く): 23617304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 557, 794, 1114, 1588, 1985, 2228, 2785, 3176, 3970, 4456, 5570, 6352, 7940, 8912, 11140, 15880, 22280, 31760, 44560, 221129, 442258, 884516, 1105645, 1769032, 2211290, 3538064, 4422580, 8845160, 17690320]

約数ペア:

[(1, 17690320), (2, 8845160), (4, 4422580), (5, 3538064), (8, 2211290), (10, 1769032), (16, 1105645), (20, 884516), (40, 442258), (80, 221129), (397, 44560), (557, 31760), (794, 22280), (1114, 15880), (1588, 11140), (1985, 8912), (2228, 7940), (2785, 6352), (3176, 5570), (3970, 4456)]