64643260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2243}}^1$

素因数の和:2394

約数の個数: 48

約数和(自身を含む): 149288832

約数和(自身を除く): 84645572

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 220, 262, 524, 655, 1310, 1441, 2243, 2620, 2882, 4486, 5764, 7205, 8972, 11215, 14410, 22430, 24673, 28820, 44860, 49346, 98692, 123365, 246730, 293833, 493460, 587666, 1175332, 1469165, 2938330, 3232163, 5876660, 6464326, 12928652, 16160815, 32321630, 64643260]

約数ペア:

[(1, 64643260), (2, 32321630), (4, 16160815), (5, 12928652), (10, 6464326), (11, 5876660), (20, 3232163), (22, 2938330), (44, 1469165), (55, 1175332), (110, 587666), (131, 493460), (220, 293833), (262, 246730), (524, 123365), (655, 98692), (1310, 49346), (1441, 44860), (2243, 28820), (2620, 24673), (2882, 22430), (4486, 14410), (5764, 11215), (7205, 8972)]