40689470

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 74964960

約数和(自身を除く): 34275490

約数列:

[1, 2, 5, 10, 73, 139, 146, 278, 365, 401, 695, 730, 802, 1390, 2005, 4010, 10147, 20294, 29273, 50735, 55739, 58546, 101470, 111478, 146365, 278695, 292730, 557390, 4068947, 8137894, 20344735, 40689470]

約数ペア:

[(1, 40689470), (2, 20344735), (5, 8137894), (10, 4068947), (73, 557390), (139, 292730), (146, 278695), (278, 146365), (365, 111478), (401, 101470), (695, 58546), (730, 55739), (802, 50735), (1390, 29273), (2005, 20294), (4010, 10147)]