2021025100

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{6581}}^1$

素因数の和:6715

約数の個数: 72

約数和(自身を含む): 4559114448

約数和(自身を除く): 2538089348

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 83, 100, 148, 166, 185, 332, 370, 415, 740, 830, 925, 1660, 1850, 2075, 3071, 3700, 4150, 6142, 6581, 8300, 12284, 13162, 15355, 26324, 30710, 32905, 61420, 65810, 76775, 131620, 153550, 164525, 243497, 307100, 329050, 486994, 546223, 658100, 973988, 1092446, 1217485, 2184892, 2434970, 2731115, 4869940, 5462230, 6087425, 10924460, 12174850, 13655575, 20210251, 24349700, 27311150, 40420502, 54622300, 80841004, 101051255, 202102510, 404205020, 505256275, 1010512550, 2021025100]

約数ペア:

[(1, 2021025100), (2, 1010512550), (4, 505256275), (5, 404205020), (10, 202102510), (20, 101051255), (25, 80841004), (37, 54622300), (50, 40420502), (74, 27311150), (83, 24349700), (100, 20210251), (148, 13655575), (166, 12174850), (185, 10924460), (332, 6087425), (370, 5462230), (415, 4869940), (740, 2731115), (830, 2434970), (925, 2184892), (1660, 1217485), (1850, 1092446), (2075, 973988), (3071, 658100), (3700, 546223), (4150, 486994), (6142, 329050), (6581, 307100), (8300, 243497), (12284, 164525), (13162, 153550), (15355, 131620), (26324, 76775), (30710, 65810), (32905, 61420)]