13542040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 32117760

約数和(自身を除く): 18575720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 67, 124, 134, 155, 163, 248, 268, 310, 326, 335, 536, 620, 652, 670, 815, 1240, 1304, 1340, 1630, 2077, 2680, 3260, 4154, 5053, 6520, 8308, 10106, 10385, 10921, 16616, 20212, 20770, 21842, 25265, 40424, 41540, 43684, 50530, 54605, 83080, 87368, 101060, 109210, 202120, 218420, 338551, 436840, 677102, 1354204, 1692755, 2708408, 3385510, 6771020, 13542040]

約数ペア:

[(1, 13542040), (2, 6771020), (4, 3385510), (5, 2708408), (8, 1692755), (10, 1354204), (20, 677102), (31, 436840), (40, 338551), (62, 218420), (67, 202120), (124, 109210), (134, 101060), (155, 87368), (163, 83080), (248, 54605), (268, 50530), (310, 43684), (326, 41540), (335, 40424), (536, 25265), (620, 21842), (652, 20770), (670, 20212), (815, 16616), (1240, 10921), (1304, 10385), (1340, 10106), (1630, 8308), (2077, 6520), (2680, 5053), (3260, 4154)]