91621240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{32261}}^1$

素因数の和:32343

約数の個数: 32

約数和(自身を含む): 209057760

約数和(自身を除く): 117436520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 32261, 64522, 129044, 161305, 258088, 322610, 645220, 1290440, 2290531, 4581062, 9162124, 11452655, 18324248, 22905310, 45810620, 91621240]

約数ペア:

[(1, 91621240), (2, 45810620), (4, 22905310), (5, 18324248), (8, 11452655), (10, 9162124), (20, 4581062), (40, 2290531), (71, 1290440), (142, 645220), (284, 322610), (355, 258088), (568, 161305), (710, 129044), (1420, 64522), (2840, 32261)]