80266420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{4229}}^1$

素因数の和:4324

約数の個数: 48

約数和(自身を含む): 184055760

約数和(自身を除く): 103789340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 3796, 4229, 4745, 8458, 9490, 16916, 18980, 21145, 42290, 54977, 84580, 109954, 219908, 274885, 308717, 549770, 617434, 1099540, 1234868, 1543585, 3087170, 4013321, 6174340, 8026642, 16053284, 20066605, 40133210, 80266420]

約数ペア:

[(1, 80266420), (2, 40133210), (4, 20066605), (5, 16053284), (10, 8026642), (13, 6174340), (20, 4013321), (26, 3087170), (52, 1543585), (65, 1234868), (73, 1099540), (130, 617434), (146, 549770), (260, 308717), (292, 274885), (365, 219908), (730, 109954), (949, 84580), (1460, 54977), (1898, 42290), (3796, 21145), (4229, 18980), (4745, 16916), (8458, 9490)]