8861840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8521}}^1$

素因数の和:8547

約数の個数: 40

約数和(自身を含む): 22191288

約数和(自身を除く): 13329448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 8521, 17042, 34084, 42605, 68168, 85210, 110773, 136336, 170420, 221546, 340840, 443092, 553865, 681680, 886184, 1107730, 1772368, 2215460, 4430920, 8861840]

約数ペア:

[(1, 8861840), (2, 4430920), (4, 2215460), (5, 1772368), (8, 1107730), (10, 886184), (13, 681680), (16, 553865), (20, 443092), (26, 340840), (40, 221546), (52, 170420), (65, 136336), (80, 110773), (104, 85210), (130, 68168), (208, 42605), (260, 34084), (520, 17042), (1040, 8521)]