65412820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{15649}}^1$

素因数の和:15688

約数の個数: 48

約数和(自身を含む): 157752000

約数和(自身を除く): 92339180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 15649, 31298, 62596, 78245, 156490, 172139, 297331, 312980, 344278, 594662, 688556, 860695, 1189324, 1486655, 1721390, 2973310, 3270641, 3442780, 5946620, 6541282, 13082564, 16353205, 32706410, 65412820]

約数ペア:

[(1, 65412820), (2, 32706410), (4, 16353205), (5, 13082564), (10, 6541282), (11, 5946620), (19, 3442780), (20, 3270641), (22, 2973310), (38, 1721390), (44, 1486655), (55, 1189324), (76, 860695), (95, 688556), (110, 594662), (190, 344278), (209, 312980), (220, 297331), (380, 172139), (418, 156490), (836, 78245), (1045, 62596), (2090, 31298), (4180, 15649)]