64640710

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{1627}}^1$

素因数の和:1800

約数の個数: 32

約数和(自身を含む): 121318560

約数和(自身を除く): 56677850

約数列:

[1, 2, 5, 10, 29, 58, 137, 145, 274, 290, 685, 1370, 1627, 3254, 3973, 7946, 8135, 16270, 19865, 39730, 47183, 94366, 222899, 235915, 445798, 471830, 1114495, 2228990, 6464071, 12928142, 32320355, 64640710]

約数ペア:

[(1, 64640710), (2, 32320355), (5, 12928142), (10, 6464071), (29, 2228990), (58, 1114495), (137, 471830), (145, 445798), (274, 235915), (290, 222899), (685, 94366), (1370, 47183), (1627, 39730), (3254, 19865), (3973, 16270), (7946, 8135)]