80901808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{3851}}^1$

素因数の和:3973

約数の個数: 40

約数和(自身を含む): 170520336

約数和(自身を除く): 89618528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 101, 104, 202, 208, 404, 808, 1313, 1616, 2626, 3851, 5252, 7702, 10504, 15404, 21008, 30808, 50063, 61616, 100126, 200252, 388951, 400504, 777902, 801008, 1555804, 3111608, 5056363, 6223216, 10112726, 20225452, 40450904, 80901808]

約数ペア:

[(1, 80901808), (2, 40450904), (4, 20225452), (8, 10112726), (13, 6223216), (16, 5056363), (26, 3111608), (52, 1555804), (101, 801008), (104, 777902), (202, 400504), (208, 388951), (404, 200252), (808, 100126), (1313, 61616), (1616, 50063), (2626, 30808), (3851, 21008), (5252, 15404), (7702, 10504)]