80473520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{877}}^1$

素因数の和:958

約数の個数: 80

約数和(自身を含む): 198582528

約数和(自身を除く): 118109008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 80, 124, 148, 155, 185, 248, 296, 310, 370, 496, 592, 620, 740, 877, 1147, 1240, 1480, 1754, 2294, 2480, 2960, 3508, 4385, 4588, 5735, 7016, 8770, 9176, 11470, 14032, 17540, 18352, 22940, 27187, 32449, 35080, 45880, 54374, 64898, 70160, 91760, 108748, 129796, 135935, 162245, 217496, 259592, 271870, 324490, 434992, 519184, 543740, 648980, 1005919, 1087480, 1297960, 2011838, 2174960, 2595920, 4023676, 5029595, 8047352, 10059190, 16094704, 20118380, 40236760, 80473520]

約数ペア:

[(1, 80473520), (2, 40236760), (4, 20118380), (5, 16094704), (8, 10059190), (10, 8047352), (16, 5029595), (20, 4023676), (31, 2595920), (37, 2174960), (40, 2011838), (62, 1297960), (74, 1087480), (80, 1005919), (124, 648980), (148, 543740), (155, 519184), (185, 434992), (248, 324490), (296, 271870), (310, 259592), (370, 217496), (496, 162245), (592, 135935), (620, 129796), (740, 108748), (877, 91760), (1147, 70160), (1240, 64898), (1480, 54374), (1754, 45880), (2294, 35080), (2480, 32449), (2960, 27187), (3508, 22940), (4385, 18352), (4588, 17540), (5735, 14032), (7016, 11470), (8770, 9176)]