64727780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1033}}^1$

素因数の和:1296

約数の個数: 48

約数和(自身を含む): 147134064

約数和(自身を除く): 82406284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 241, 260, 482, 964, 1033, 1205, 2066, 2410, 3133, 4132, 4820, 5165, 6266, 10330, 12532, 13429, 15665, 20660, 26858, 31330, 53716, 62660, 67145, 134290, 248953, 268580, 497906, 995812, 1244765, 2489530, 3236389, 4979060, 6472778, 12945556, 16181945, 32363890, 64727780]

約数ペア:

[(1, 64727780), (2, 32363890), (4, 16181945), (5, 12945556), (10, 6472778), (13, 4979060), (20, 3236389), (26, 2489530), (52, 1244765), (65, 995812), (130, 497906), (241, 268580), (260, 248953), (482, 134290), (964, 67145), (1033, 62660), (1205, 53716), (2066, 31330), (2410, 26858), (3133, 20660), (4132, 15665), (4820, 13429), (5165, 12532), (6266, 10330)]