8886766520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{25717}}^1$

素因数の和:25944

約数の個数: 64

約数和(自身を含む): 20498274720

約数和(自身を除く): 11611508200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 163, 212, 265, 326, 424, 530, 652, 815, 1060, 1304, 1630, 2120, 3260, 6520, 8639, 17278, 25717, 34556, 43195, 51434, 69112, 86390, 102868, 128585, 172780, 205736, 257170, 345560, 514340, 1028680, 1363001, 2726002, 4191871, 5452004, 6815005, 8383742, 10904008, 13630010, 16767484, 20959355, 27260020, 33534968, 41918710, 54520040, 83837420, 167674840, 222169163, 444338326, 888676652, 1110845815, 1777353304, 2221691630, 4443383260, 8886766520]

約数ペア:

[(1, 8886766520), (2, 4443383260), (4, 2221691630), (5, 1777353304), (8, 1110845815), (10, 888676652), (20, 444338326), (40, 222169163), (53, 167674840), (106, 83837420), (163, 54520040), (212, 41918710), (265, 33534968), (326, 27260020), (424, 20959355), (530, 16767484), (652, 13630010), (815, 10904008), (1060, 8383742), (1304, 6815005), (1630, 5452004), (2120, 4191871), (3260, 2726002), (6520, 1363001), (8639, 1028680), (17278, 514340), (25717, 345560), (34556, 257170), (43195, 205736), (51434, 172780), (69112, 128585), (86390, 102868)]