80616760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{41131}}^1$

素因数の和:41156

約数の個数: 48

約数和(自身を含む): 211007160

約数和(自身を除く): 130390400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 41131, 82262, 164524, 205655, 287917, 329048, 411310, 575834, 822620, 1151668, 1439585, 1645240, 2015419, 2303336, 2879170, 4030838, 5758340, 8061676, 10077095, 11516680, 16123352, 20154190, 40308380, 80616760]

約数ペア:

[(1, 80616760), (2, 40308380), (4, 20154190), (5, 16123352), (7, 11516680), (8, 10077095), (10, 8061676), (14, 5758340), (20, 4030838), (28, 2879170), (35, 2303336), (40, 2015419), (49, 1645240), (56, 1439585), (70, 1151668), (98, 822620), (140, 575834), (196, 411310), (245, 329048), (280, 287917), (392, 205655), (490, 164524), (980, 82262), (1960, 41131)]