81465500

素因数分解:

$2^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{2671}}^1$

素因数の和:2751

約数の個数: 48

約数和(自身を含む): 180905088

約数和(自身を除く): 99439588

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 125, 244, 250, 305, 500, 610, 1220, 1525, 2671, 3050, 5342, 6100, 7625, 10684, 13355, 15250, 26710, 30500, 53420, 66775, 133550, 162931, 267100, 325862, 333875, 651724, 667750, 814655, 1335500, 1629310, 3258620, 4073275, 8146550, 16293100, 20366375, 40732750, 81465500]

約数ペア:

[(1, 81465500), (2, 40732750), (4, 20366375), (5, 16293100), (10, 8146550), (20, 4073275), (25, 3258620), (50, 1629310), (61, 1335500), (100, 814655), (122, 667750), (125, 651724), (244, 333875), (250, 325862), (305, 267100), (500, 162931), (610, 133550), (1220, 66775), (1525, 53420), (2671, 30500), (3050, 26710), (5342, 15250), (6100, 13355), (7625, 10684)]