2025962500

素因数分解:

$2^2\times 5^5\times {\mathrm{61}}^1\times {\mathrm{2657}}^1$

素因数の和:2747

約数の個数: 72

約数和(自身を含む): 4505852232

約数和(自身を除く): 2479889732

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 125, 244, 250, 305, 500, 610, 625, 1220, 1250, 1525, 2500, 2657, 3050, 3125, 5314, 6100, 6250, 7625, 10628, 12500, 13285, 15250, 26570, 30500, 38125, 53140, 66425, 76250, 132850, 152500, 162077, 190625, 265700, 324154, 332125, 381250, 648308, 664250, 762500, 810385, 1328500, 1620770, 1660625, 3241540, 3321250, 4051925, 6642500, 8103850, 8303125, 16207700, 16606250, 20259625, 33212500, 40519250, 81038500, 101298125, 202596250, 405192500, 506490625, 1012981250, 2025962500]

約数ペア:

[(1, 2025962500), (2, 1012981250), (4, 506490625), (5, 405192500), (10, 202596250), (20, 101298125), (25, 81038500), (50, 40519250), (61, 33212500), (100, 20259625), (122, 16606250), (125, 16207700), (244, 8303125), (250, 8103850), (305, 6642500), (500, 4051925), (610, 3321250), (625, 3241540), (1220, 1660625), (1250, 1620770), (1525, 1328500), (2500, 810385), (2657, 762500), (3050, 664250), (3125, 648308), (5314, 381250), (6100, 332125), (6250, 324154), (7625, 265700), (10628, 190625), (12500, 162077), (13285, 152500), (15250, 132850), (26570, 76250), (30500, 66425), (38125, 53140)]