1644962020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{16519}}^1$

素因数の和:16924

約数の個数: 48

約数和(自身を含む): 3730083840

約数和(自身を除く): 2085121820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 383, 766, 1532, 1915, 3830, 4979, 7660, 9958, 16519, 19916, 24895, 33038, 49790, 66076, 82595, 99580, 165190, 214747, 330380, 429494, 858988, 1073735, 2147470, 4294940, 6326777, 12653554, 25307108, 31633885, 63267770, 82248101, 126535540, 164496202, 328992404, 411240505, 822481010, 1644962020]

約数ペア:

[(1, 1644962020), (2, 822481010), (4, 411240505), (5, 328992404), (10, 164496202), (13, 126535540), (20, 82248101), (26, 63267770), (52, 31633885), (65, 25307108), (130, 12653554), (260, 6326777), (383, 4294940), (766, 2147470), (1532, 1073735), (1915, 858988), (3830, 429494), (4979, 330380), (7660, 214747), (9958, 165190), (16519, 99580), (19916, 82595), (24895, 66076), (33038, 49790)]