89135020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2617}}^1$

素因数の和:2770

約数の個数: 48

約数和(自身を含む): 203198688

約数和(自身を除く): 114063668

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 1310, 1703, 2617, 2620, 3406, 5234, 6812, 8515, 10468, 13085, 17030, 26170, 34021, 34060, 52340, 68042, 136084, 170105, 340210, 342827, 680420, 685654, 1371308, 1714135, 3428270, 4456751, 6856540, 8913502, 17827004, 22283755, 44567510, 89135020]

約数ペア:

[(1, 89135020), (2, 44567510), (4, 22283755), (5, 17827004), (10, 8913502), (13, 6856540), (20, 4456751), (26, 3428270), (52, 1714135), (65, 1371308), (130, 685654), (131, 680420), (260, 342827), (262, 340210), (524, 170105), (655, 136084), (1310, 68042), (1703, 52340), (2617, 34060), (2620, 34021), (3406, 26170), (5234, 17030), (6812, 13085), (8515, 10468)]