16961680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11159}}^1$

素因数の和:11191

約数の個数: 40

約数和(自身を含む): 41515200

約数和(自身を除く): 24553520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 11159, 22318, 44636, 55795, 89272, 111590, 178544, 212021, 223180, 424042, 446360, 848084, 892720, 1060105, 1696168, 2120210, 3392336, 4240420, 8480840, 16961680]

約数ペア:

[(1, 16961680), (2, 8480840), (4, 4240420), (5, 3392336), (8, 2120210), (10, 1696168), (16, 1060105), (19, 892720), (20, 848084), (38, 446360), (40, 424042), (76, 223180), (80, 212021), (95, 178544), (152, 111590), (190, 89272), (304, 55795), (380, 44636), (760, 22318), (1520, 11159)]