78365120

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12889}}^1$

素因数の和:12925

約数の個数: 56

約数和(自身を含む): 196443600

約数和(自身を除く): 118078480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 12889, 25778, 51556, 64445, 103112, 128890, 206224, 244891, 257780, 412448, 489782, 515560, 824896, 979564, 1031120, 1224455, 1959128, 2062240, 2448910, 3918256, 4124480, 4897820, 7836512, 9795640, 15673024, 19591280, 39182560, 78365120]

約数ペア:

[(1, 78365120), (2, 39182560), (4, 19591280), (5, 15673024), (8, 9795640), (10, 7836512), (16, 4897820), (19, 4124480), (20, 3918256), (32, 2448910), (38, 2062240), (40, 1959128), (64, 1224455), (76, 1031120), (80, 979564), (95, 824896), (152, 515560), (160, 489782), (190, 412448), (304, 257780), (320, 244891), (380, 206224), (608, 128890), (760, 103112), (1216, 64445), (1520, 51556), (3040, 25778), (6080, 12889)]