81654140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{6121}}^1$

素因数の和:6182

約数の個数: 48

約数和(自身を含む): 185129280

約数和(自身を除く): 103475140

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 92, 115, 116, 145, 230, 290, 460, 580, 667, 1334, 2668, 3335, 6121, 6670, 12242, 13340, 24484, 30605, 61210, 122420, 140783, 177509, 281566, 355018, 563132, 703915, 710036, 887545, 1407830, 1775090, 2815660, 3550180, 4082707, 8165414, 16330828, 20413535, 40827070, 81654140]

約数ペア:

[(1, 81654140), (2, 40827070), (4, 20413535), (5, 16330828), (10, 8165414), (20, 4082707), (23, 3550180), (29, 2815660), (46, 1775090), (58, 1407830), (92, 887545), (115, 710036), (116, 703915), (145, 563132), (230, 355018), (290, 281566), (460, 177509), (580, 140783), (667, 122420), (1334, 61210), (2668, 30605), (3335, 24484), (6121, 13340), (6670, 12242)]