72805960

素因数分解:

$2^3\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{1481}}^1$

素因数の和:2721

約数の個数: 32

約数和(自身を含む): 164057400

約数和(自身を除く): 91251440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1229, 1481, 2458, 2962, 4916, 5924, 6145, 7405, 9832, 11848, 12290, 14810, 24580, 29620, 49160, 59240, 1820149, 3640298, 7280596, 9100745, 14561192, 18201490, 36402980, 72805960]

約数ペア:

[(1, 72805960), (2, 36402980), (4, 18201490), (5, 14561192), (8, 9100745), (10, 7280596), (20, 3640298), (40, 1820149), (1229, 59240), (1481, 49160), (2458, 29620), (2962, 24580), (4916, 14810), (5924, 12290), (6145, 11848), (7405, 9832)]