77188640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25391}}^1$

素因数の和:25425

約数の個数: 48

約数和(自身を含む): 191963520

約数和(自身を除く): 114774880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 25391, 50782, 101564, 126955, 203128, 253910, 406256, 482429, 507820, 812512, 964858, 1015640, 1929716, 2031280, 2412145, 3859432, 4062560, 4824290, 7718864, 9648580, 15437728, 19297160, 38594320, 77188640]

約数ペア:

[(1, 77188640), (2, 38594320), (4, 19297160), (5, 15437728), (8, 9648580), (10, 7718864), (16, 4824290), (19, 4062560), (20, 3859432), (32, 2412145), (38, 2031280), (40, 1929716), (76, 1015640), (80, 964858), (95, 812512), (152, 507820), (160, 482429), (190, 406256), (304, 253910), (380, 203128), (608, 126955), (760, 101564), (1520, 50782), (3040, 25391)]