80691940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{9769}}^1$

素因数の和:9844

約数の個数: 48

約数和(自身を含む): 196963200

約数和(自身を除く): 116271260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 1180, 1652, 2065, 4130, 8260, 9769, 19538, 39076, 48845, 68383, 97690, 136766, 195380, 273532, 341915, 576371, 683830, 1152742, 1367660, 2305484, 2881855, 4034597, 5763710, 8069194, 11527420, 16138388, 20172985, 40345970, 80691940]

約数ペア:

[(1, 80691940), (2, 40345970), (4, 20172985), (5, 16138388), (7, 11527420), (10, 8069194), (14, 5763710), (20, 4034597), (28, 2881855), (35, 2305484), (59, 1367660), (70, 1152742), (118, 683830), (140, 576371), (236, 341915), (295, 273532), (413, 195380), (590, 136766), (826, 97690), (1180, 68383), (1652, 48845), (2065, 39076), (4130, 19538), (8260, 9769)]