63625640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3947}}^1$

素因数の和:4002

約数の個数: 64

約数和(自身を含む): 159183360

約数和(自身を除く): 95557720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 3947, 4030, 7894, 8060, 15788, 16120, 19735, 31576, 39470, 51311, 78940, 102622, 122357, 157880, 205244, 244714, 256555, 410488, 489428, 513110, 611785, 978856, 1026220, 1223570, 1590641, 2052440, 2447140, 3181282, 4894280, 6362564, 7953205, 12725128, 15906410, 31812820, 63625640]

約数ペア:

[(1, 63625640), (2, 31812820), (4, 15906410), (5, 12725128), (8, 7953205), (10, 6362564), (13, 4894280), (20, 3181282), (26, 2447140), (31, 2052440), (40, 1590641), (52, 1223570), (62, 1026220), (65, 978856), (104, 611785), (124, 513110), (130, 489428), (155, 410488), (248, 256555), (260, 244714), (310, 205244), (403, 157880), (520, 122357), (620, 102622), (806, 78940), (1240, 51311), (1612, 39470), (2015, 31576), (3224, 19735), (3947, 16120), (4030, 15788), (7894, 8060)]