88787960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{54139}}^1$

素因数の和:54191

約数の個数: 32

約数和(自身を含む): 204649200

約数和(自身を除く): 115861240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 54139, 108278, 216556, 270695, 433112, 541390, 1082780, 2165560, 2219699, 4439398, 8878796, 11098495, 17757592, 22196990, 44393980, 88787960]

約数ペア:

[(1, 88787960), (2, 44393980), (4, 22196990), (5, 17757592), (8, 11098495), (10, 8878796), (20, 4439398), (40, 2219699), (41, 2165560), (82, 1082780), (164, 541390), (205, 433112), (328, 270695), (410, 216556), (820, 108278), (1640, 54139)]