64709450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{881}}^1$

素因数の和:1019

約数の個数: 48

約数和(自身を含む): 130913496

約数和(自身を除く): 66204046

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 113, 130, 226, 325, 565, 650, 881, 1130, 1469, 1762, 2825, 2938, 4405, 5650, 7345, 8810, 11453, 14690, 22025, 22906, 36725, 44050, 57265, 73450, 99553, 114530, 199106, 286325, 497765, 572650, 995530, 1294189, 2488825, 2588378, 4977650, 6470945, 12941890, 32354725, 64709450]

約数ペア:

[(1, 64709450), (2, 32354725), (5, 12941890), (10, 6470945), (13, 4977650), (25, 2588378), (26, 2488825), (50, 1294189), (65, 995530), (113, 572650), (130, 497765), (226, 286325), (325, 199106), (565, 114530), (650, 99553), (881, 73450), (1130, 57265), (1469, 44050), (1762, 36725), (2825, 22906), (2938, 22025), (4405, 14690), (5650, 11453), (7345, 8810)]