4089440

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:495

約数の個数: 48

約数和(自身を含む): 9843120

約数和(自身を除く): 5753680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 419, 488, 610, 838, 976, 1220, 1676, 1952, 2095, 2440, 3352, 4190, 4880, 6704, 8380, 9760, 13408, 16760, 25559, 33520, 51118, 67040, 102236, 127795, 204472, 255590, 408944, 511180, 817888, 1022360, 2044720, 4089440]

約数ペア:

[(1, 4089440), (2, 2044720), (4, 1022360), (5, 817888), (8, 511180), (10, 408944), (16, 255590), (20, 204472), (32, 127795), (40, 102236), (61, 67040), (80, 51118), (122, 33520), (160, 25559), (244, 16760), (305, 13408), (419, 9760), (488, 8380), (610, 6704), (838, 4880), (976, 4190), (1220, 3352), (1676, 2440), (1952, 2095)]