40000850

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:371

約数の個数: 48

約数和(自身を含む): 77780736

約数和(自身を除く): 37779886

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 131, 155, 197, 262, 310, 394, 655, 775, 985, 1310, 1550, 1970, 3275, 4061, 4925, 6107, 6550, 8122, 9850, 12214, 20305, 25807, 30535, 40610, 51614, 61070, 101525, 129035, 152675, 203050, 258070, 305350, 645175, 800017, 1290350, 1600034, 4000085, 8000170, 20000425, 40000850]

約数ペア:

[(1, 40000850), (2, 20000425), (5, 8000170), (10, 4000085), (25, 1600034), (31, 1290350), (50, 800017), (62, 645175), (131, 305350), (155, 258070), (197, 203050), (262, 152675), (310, 129035), (394, 101525), (655, 61070), (775, 51614), (985, 40610), (1310, 30535), (1550, 25807), (1970, 20305), (3275, 12214), (4061, 9850), (4925, 8122), (6107, 6550)]