1639822060

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1\times {\mathrm{5449}}^1$

素因数の和:5866

約数の個数: 48

約数和(自身を含む): 3537878400

約数和(自身を除く): 1898056340

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 367, 410, 734, 820, 1468, 1835, 3670, 5449, 7340, 10898, 15047, 21796, 27245, 30094, 54490, 60188, 75235, 108980, 150470, 223409, 300940, 446818, 893636, 1117045, 1999783, 2234090, 3999566, 4468180, 7999132, 9998915, 19997830, 39995660, 81991103, 163982206, 327964412, 409955515, 819911030, 1639822060]

約数ペア:

[(1, 1639822060), (2, 819911030), (4, 409955515), (5, 327964412), (10, 163982206), (20, 81991103), (41, 39995660), (82, 19997830), (164, 9998915), (205, 7999132), (367, 4468180), (410, 3999566), (734, 2234090), (820, 1999783), (1468, 1117045), (1835, 893636), (3670, 446818), (5449, 300940), (7340, 223409), (10898, 150470), (15047, 108980), (21796, 75235), (27245, 60188), (30094, 54490)]