39878260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2213}}^1$

素因数の和:2292

約数の個数: 48

約数和(自身を含む): 90384336

約数和(自身を除く): 50506076

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 901, 1060, 1802, 2213, 3604, 4426, 4505, 8852, 9010, 11065, 18020, 22130, 37621, 44260, 75242, 117289, 150484, 188105, 234578, 376210, 469156, 586445, 752420, 1172890, 1993913, 2345780, 3987826, 7975652, 9969565, 19939130, 39878260]

約数ペア:

[(1, 39878260), (2, 19939130), (4, 9969565), (5, 7975652), (10, 3987826), (17, 2345780), (20, 1993913), (34, 1172890), (53, 752420), (68, 586445), (85, 469156), (106, 376210), (170, 234578), (212, 188105), (265, 150484), (340, 117289), (530, 75242), (901, 44260), (1060, 37621), (1802, 22130), (2213, 18020), (3604, 11065), (4426, 9010), (4505, 8852)]