78548360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16229}}^1$

素因数の和:16262

約数の個数: 48

約数和(自身を含む): 194273100

約数和(自身を除く): 115724740

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 16229, 32458, 64916, 81145, 129832, 162290, 178519, 324580, 357038, 649160, 714076, 892595, 1428152, 1785190, 1963709, 3570380, 3927418, 7140760, 7854836, 9818545, 15709672, 19637090, 39274180, 78548360]

約数ペア:

[(1, 78548360), (2, 39274180), (4, 19637090), (5, 15709672), (8, 9818545), (10, 7854836), (11, 7140760), (20, 3927418), (22, 3570380), (40, 1963709), (44, 1785190), (55, 1428152), (88, 892595), (110, 714076), (121, 649160), (220, 357038), (242, 324580), (440, 178519), (484, 162290), (605, 129832), (968, 81145), (1210, 64916), (2420, 32458), (4840, 16229)]