89997920

素因数分解:

$2^5\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1621}}^1$

素因数の和:1983

約数の個数: 48

約数和(自身を含む): 213364368

約数和(自身を除く): 123366448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 347, 694, 1388, 1621, 1735, 2776, 3242, 3470, 5552, 6484, 6940, 8105, 11104, 12968, 13880, 16210, 25936, 27760, 32420, 51872, 55520, 64840, 129680, 259360, 562487, 1124974, 2249948, 2812435, 4499896, 5624870, 8999792, 11249740, 17999584, 22499480, 44998960, 89997920]

約数ペア:

[(1, 89997920), (2, 44998960), (4, 22499480), (5, 17999584), (8, 11249740), (10, 8999792), (16, 5624870), (20, 4499896), (32, 2812435), (40, 2249948), (80, 1124974), (160, 562487), (347, 259360), (694, 129680), (1388, 64840), (1621, 55520), (1735, 51872), (2776, 32420), (3242, 27760), (3470, 25936), (5552, 16210), (6484, 13880), (6940, 12968), (8105, 11104)]