88080495980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1\times {\mathrm{215261}}^1$

素因数の和:215810

約数の個数: 48

約数和(自身を含む): 189861084000

約数和(自身を除く): 101780588020

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 499, 820, 998, 1996, 2495, 4990, 9980, 20459, 40918, 81836, 102295, 204590, 215261, 409180, 430522, 861044, 1076305, 2152610, 4305220, 8825701, 17651402, 35302804, 44128505, 88257010, 107415239, 176514020, 214830478, 429660956, 537076195, 1074152390, 2148304780, 4404024799, 8808049598, 17616099196, 22020123995, 44040247990, 88080495980]

約数ペア:

[(1, 88080495980), (2, 44040247990), (4, 22020123995), (5, 17616099196), (10, 8808049598), (20, 4404024799), (41, 2148304780), (82, 1074152390), (164, 537076195), (205, 429660956), (410, 214830478), (499, 176514020), (820, 107415239), (998, 88257010), (1996, 44128505), (2495, 35302804), (4990, 17651402), (9980, 8825701), (20459, 4305220), (40918, 2152610), (81836, 1076305), (102295, 861044), (204590, 430522), (215261, 409180)]