13123570420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1\times {\mathrm{29527}}^1$

素因数の和:29920

約数の個数: 48

約数和(自身を含む): 28037899008

約数和(自身を除く): 14914328588

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 313, 355, 626, 710, 1252, 1420, 1565, 3130, 6260, 22223, 29527, 44446, 59054, 88892, 111115, 118108, 147635, 222230, 295270, 444460, 590540, 2096417, 4192834, 8385668, 9241951, 10482085, 18483902, 20964170, 36967804, 41928340, 46209755, 92419510, 184839020, 656178521, 1312357042, 2624714084, 3280892605, 6561785210, 13123570420]

約数ペア:

[(1, 13123570420), (2, 6561785210), (4, 3280892605), (5, 2624714084), (10, 1312357042), (20, 656178521), (71, 184839020), (142, 92419510), (284, 46209755), (313, 41928340), (355, 36967804), (626, 20964170), (710, 18483902), (1252, 10482085), (1420, 9241951), (1565, 8385668), (3130, 4192834), (6260, 2096417), (22223, 590540), (29527, 444460), (44446, 295270), (59054, 222230), (88892, 147635), (111115, 118108)]