25638100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:265

約数の個数: 72

約数和(自身を含む): 59246208

約数和(自身を除く): 33608108

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 71, 92, 100, 115, 142, 157, 230, 284, 314, 355, 460, 575, 628, 710, 785, 1150, 1420, 1570, 1633, 1775, 2300, 3140, 3266, 3550, 3611, 3925, 6532, 7100, 7222, 7850, 8165, 11147, 14444, 15700, 16330, 18055, 22294, 32660, 36110, 40825, 44588, 55735, 72220, 81650, 90275, 111470, 163300, 180550, 222940, 256381, 278675, 361100, 512762, 557350, 1025524, 1114700, 1281905, 2563810, 5127620, 6409525, 12819050, 25638100]

約数ペア:

[(1, 25638100), (2, 12819050), (4, 6409525), (5, 5127620), (10, 2563810), (20, 1281905), (23, 1114700), (25, 1025524), (46, 557350), (50, 512762), (71, 361100), (92, 278675), (100, 256381), (115, 222940), (142, 180550), (157, 163300), (230, 111470), (284, 90275), (314, 81650), (355, 72220), (460, 55735), (575, 44588), (628, 40825), (710, 36110), (785, 32660), (1150, 22294), (1420, 18055), (1570, 16330), (1633, 15700), (1775, 14444), (2300, 11147), (3140, 8165), (3266, 7850), (3550, 7222), (3611, 7100), (3925, 6532)]