30828640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10141}}^1$

素因数の和:10175

約数の個数: 48

約数和(自身を含む): 76673520

約数和(自身を除く): 45844880

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, 10141, 20282, 40564, 50705, 81128, 101410, 162256, 192679, 202820, 324512, 385358, 405640, 770716, 811280, 963395, 1541432, 1622560, 1926790, 3082864, 3853580, 6165728, 7707160, 15414320, 30828640]

約数ペア:

[(1, 30828640), (2, 15414320), (4, 7707160), (5, 6165728), (8, 3853580), (10, 3082864), (16, 1926790), (19, 1622560), (20, 1541432), (32, 963395), (38, 811280), (40, 770716), (76, 405640), (80, 385358), (95, 324512), (152, 202820), (160, 192679), (190, 162256), (304, 101410), (380, 81128), (608, 50705), (760, 40564), (1520, 20282), (3040, 10141)]