51195260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1163}}^1$

素因数の和:1274

約数の個数: 48

約数和(自身を含む): 112637952

約数和(自身を除く): 61442692

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 620, 710, 1163, 1420, 2201, 2326, 4402, 4652, 5815, 8804, 11005, 11630, 22010, 23260, 36053, 44020, 72106, 82573, 144212, 165146, 180265, 330292, 360530, 412865, 721060, 825730, 1651460, 2559763, 5119526, 10239052, 12798815, 25597630, 51195260]

約数ペア:

[(1, 51195260), (2, 25597630), (4, 12798815), (5, 10239052), (10, 5119526), (20, 2559763), (31, 1651460), (62, 825730), (71, 721060), (124, 412865), (142, 360530), (155, 330292), (284, 180265), (310, 165146), (355, 144212), (620, 82573), (710, 72106), (1163, 44020), (1420, 36053), (2201, 23260), (2326, 22010), (4402, 11630), (4652, 11005), (5815, 8804)]