81228040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6287}}^1$

素因数の和:6334

約数の個数: 64

約数和(自身を含む): 203731200

約数和(自身を除く): 122503160

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2584, 3230, 6287, 6460, 12574, 12920, 25148, 31435, 50296, 62870, 106879, 119453, 125740, 213758, 238906, 251480, 427516, 477812, 534395, 597265, 855032, 955624, 1068790, 1194530, 2030701, 2137580, 2389060, 4061402, 4275160, 4778120, 8122804, 10153505, 16245608, 20307010, 40614020, 81228040]

約数ペア:

[(1, 81228040), (2, 40614020), (4, 20307010), (5, 16245608), (8, 10153505), (10, 8122804), (17, 4778120), (19, 4275160), (20, 4061402), (34, 2389060), (38, 2137580), (40, 2030701), (68, 1194530), (76, 1068790), (85, 955624), (95, 855032), (136, 597265), (152, 534395), (170, 477812), (190, 427516), (323, 251480), (340, 238906), (380, 213758), (646, 125740), (680, 119453), (760, 106879), (1292, 62870), (1615, 50296), (2584, 31435), (3230, 25148), (6287, 12920), (6460, 12574)]