78705160

素因数分解:

$2^3\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{1601}}^1$

素因数の和:2841

約数の個数: 32

約数和(自身を含む): 177341400

約数和(自身を除く): 98636240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1229, 1601, 2458, 3202, 4916, 6145, 6404, 8005, 9832, 12290, 12808, 16010, 24580, 32020, 49160, 64040, 1967629, 3935258, 7870516, 9838145, 15741032, 19676290, 39352580, 78705160]

約数ペア:

[(1, 78705160), (2, 39352580), (4, 19676290), (5, 15741032), (8, 9838145), (10, 7870516), (20, 3935258), (40, 1967629), (1229, 64040), (1601, 49160), (2458, 32020), (3202, 24580), (4916, 16010), (6145, 12808), (6404, 12290), (8005, 9832)]