13563680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6521}}^1$

素因数の和:6549

約数の個数: 48

約数和(自身を含む): 34514424

約数和(自身を除く): 20950744

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 6521, 13042, 26084, 32605, 52168, 65210, 84773, 104336, 130420, 169546, 208672, 260840, 339092, 423865, 521680, 678184, 847730, 1043360, 1356368, 1695460, 2712736, 3390920, 6781840, 13563680]

約数ペア:

[(1, 13563680), (2, 6781840), (4, 3390920), (5, 2712736), (8, 1695460), (10, 1356368), (13, 1043360), (16, 847730), (20, 678184), (26, 521680), (32, 423865), (40, 339092), (52, 260840), (65, 208672), (80, 169546), (104, 130420), (130, 104336), (160, 84773), (208, 65210), (260, 52168), (416, 32605), (520, 26084), (1040, 13042), (2080, 6521)]