71387495440

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1\times {\mathrm{20101}}^1$

素因数の和:20648

約数の個数: 80

約数和(自身を含む): 167984534016

約数和(自身を除く): 96597038576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 431, 515, 824, 862, 1030, 1648, 1724, 2060, 2155, 3448, 4120, 4310, 6896, 8240, 8620, 17240, 20101, 34480, 40202, 44393, 80404, 88786, 100505, 160808, 177572, 201010, 221965, 321616, 355144, 402020, 443930, 710288, 804040, 887860, 1608080, 1775720, 2070403, 3551440, 4140806, 8281612, 8663531, 10352015, 16563224, 17327062, 20704030, 33126448, 34654124, 41408060, 43317655, 69308248, 82816120, 86635310, 138616496, 165632240, 173270620, 346541240, 693082480, 892343693, 1784687386, 3569374772, 4461718465, 7138749544, 8923436930, 14277499088, 17846873860, 35693747720, 71387495440]

約数ペア:

[(1, 71387495440), (2, 35693747720), (4, 17846873860), (5, 14277499088), (8, 8923436930), (10, 7138749544), (16, 4461718465), (20, 3569374772), (40, 1784687386), (80, 892343693), (103, 693082480), (206, 346541240), (412, 173270620), (431, 165632240), (515, 138616496), (824, 86635310), (862, 82816120), (1030, 69308248), (1648, 43317655), (1724, 41408060), (2060, 34654124), (2155, 33126448), (3448, 20704030), (4120, 17327062), (4310, 16563224), (6896, 10352015), (8240, 8663531), (8620, 8281612), (17240, 4140806), (20101, 3551440), (34480, 2070403), (40202, 1775720), (44393, 1608080), (80404, 887860), (88786, 804040), (100505, 710288), (160808, 443930), (177572, 402020), (201010, 355144), (221965, 321616)]