5642500

素因数分解:

$2^2\times 5^4\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:122

約数の個数: 60

約数和(自身を含む): 12880252

約数和(自身を除く): 7237752

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 61, 74, 100, 122, 125, 148, 185, 244, 250, 305, 370, 500, 610, 625, 740, 925, 1220, 1250, 1525, 1850, 2257, 2500, 3050, 3700, 4514, 4625, 6100, 7625, 9028, 9250, 11285, 15250, 18500, 22570, 23125, 30500, 38125, 45140, 46250, 56425, 76250, 92500, 112850, 152500, 225700, 282125, 564250, 1128500, 1410625, 2821250, 5642500]

約数ペア:

[(1, 5642500), (2, 2821250), (4, 1410625), (5, 1128500), (10, 564250), (20, 282125), (25, 225700), (37, 152500), (50, 112850), (61, 92500), (74, 76250), (100, 56425), (122, 46250), (125, 45140), (148, 38125), (185, 30500), (244, 23125), (250, 22570), (305, 18500), (370, 15250), (500, 11285), (610, 9250), (625, 9028), (740, 7625), (925, 6100), (1220, 4625), (1250, 4514), (1525, 3700), (1850, 3050), (2257, 2500)]