2012808100

素因数分解:

$2^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{197}}^1\times {\mathrm{1231}}^1$

素因数の和:1525

約数の個数: 72

約数和(自身を含む): 4446465408

約数和(自身を除く): 2433657308

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 83, 100, 166, 197, 332, 394, 415, 788, 830, 985, 1231, 1660, 1970, 2075, 2462, 3940, 4150, 4924, 4925, 6155, 8300, 9850, 12310, 16351, 19700, 24620, 30775, 32702, 61550, 65404, 81755, 102173, 123100, 163510, 204346, 242507, 327020, 408692, 408775, 485014, 510865, 817550, 970028, 1021730, 1212535, 1635100, 2043460, 2425070, 2554325, 4850140, 5108650, 6062675, 10217300, 12125350, 20128081, 24250700, 40256162, 80512324, 100640405, 201280810, 402561620, 503202025, 1006404050, 2012808100]

約数ペア:

[(1, 2012808100), (2, 1006404050), (4, 503202025), (5, 402561620), (10, 201280810), (20, 100640405), (25, 80512324), (50, 40256162), (83, 24250700), (100, 20128081), (166, 12125350), (197, 10217300), (332, 6062675), (394, 5108650), (415, 4850140), (788, 2554325), (830, 2425070), (985, 2043460), (1231, 1635100), (1660, 1212535), (1970, 1021730), (2075, 970028), (2462, 817550), (3940, 510865), (4150, 485014), (4924, 408775), (4925, 408692), (6155, 327020), (8300, 242507), (9850, 204346), (12310, 163510), (16351, 123100), (19700, 102173), (24620, 81755), (30775, 65404), (32702, 61550)]