25178200

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 60950340

約数和(自身を除く): 35772140

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 131, 155, 200, 248, 262, 310, 524, 620, 655, 775, 961, 1048, 1240, 1310, 1550, 1922, 2620, 3100, 3275, 3844, 4061, 4805, 5240, 6200, 6550, 7688, 8122, 9610, 13100, 16244, 19220, 20305, 24025, 26200, 32488, 38440, 40610, 48050, 81220, 96100, 101525, 125891, 162440, 192200, 203050, 251782, 406100, 503564, 629455, 812200, 1007128, 1258910, 2517820, 3147275, 5035640, 6294550, 12589100, 25178200]

約数ペア:

[(1, 25178200), (2, 12589100), (4, 6294550), (5, 5035640), (8, 3147275), (10, 2517820), (20, 1258910), (25, 1007128), (31, 812200), (40, 629455), (50, 503564), (62, 406100), (100, 251782), (124, 203050), (131, 192200), (155, 162440), (200, 125891), (248, 101525), (262, 96100), (310, 81220), (524, 48050), (620, 40610), (655, 38440), (775, 32488), (961, 26200), (1048, 24025), (1240, 20305), (1310, 19220), (1550, 16244), (1922, 13100), (2620, 9610), (3100, 8122), (3275, 7688), (3844, 6550), (4061, 6200), (4805, 5240)]