80001700

素因数分解:

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

素因数の和:373

約数の個数: 72

約数和(自身を含む): 181488384

約数和(自身を除く): 101486684

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 131, 155, 197, 262, 310, 394, 524, 620, 655, 775, 788, 985, 1310, 1550, 1970, 2620, 3100, 3275, 3940, 4061, 4925, 6107, 6550, 8122, 9850, 12214, 13100, 16244, 19700, 20305, 24428, 25807, 30535, 40610, 51614, 61070, 81220, 101525, 103228, 122140, 129035, 152675, 203050, 258070, 305350, 406100, 516140, 610700, 645175, 800017, 1290350, 1600034, 2580700, 3200068, 4000085, 8000170, 16000340, 20000425, 40000850, 80001700]

約数ペア:

[(1, 80001700), (2, 40000850), (4, 20000425), (5, 16000340), (10, 8000170), (20, 4000085), (25, 3200068), (31, 2580700), (50, 1600034), (62, 1290350), (100, 800017), (124, 645175), (131, 610700), (155, 516140), (197, 406100), (262, 305350), (310, 258070), (394, 203050), (524, 152675), (620, 129035), (655, 122140), (775, 103228), (788, 101525), (985, 81220), (1310, 61070), (1550, 51614), (1970, 40610), (2620, 30535), (3100, 25807), (3275, 24428), (3940, 20305), (4061, 19700), (4925, 16244), (6107, 13100), (6550, 12214), (8122, 9850)]