39354760

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^2$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 90714060

約数和(自身を除く): 51359300

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 127, 244, 254, 305, 488, 508, 610, 635, 1016, 1220, 1270, 2440, 2540, 5080, 7747, 15494, 16129, 30988, 32258, 38735, 61976, 64516, 77470, 80645, 129032, 154940, 161290, 309880, 322580, 645160, 983869, 1967738, 3935476, 4919345, 7870952, 9838690, 19677380, 39354760]

約数ペア:

[(1, 39354760), (2, 19677380), (4, 9838690), (5, 7870952), (8, 4919345), (10, 3935476), (20, 1967738), (40, 983869), (61, 645160), (122, 322580), (127, 309880), (244, 161290), (254, 154940), (305, 129032), (488, 80645), (508, 77470), (610, 64516), (635, 61976), (1016, 38735), (1220, 32258), (1270, 30988), (2440, 16129), (2540, 15494), (5080, 7747)]