81364340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{2423}}^1$

素因数の和:2528

約数の個数: 48

約数和(自身を含む): 180811008

約数和(自身を除く): 99446668

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 73, 92, 115, 146, 230, 292, 365, 460, 730, 1460, 1679, 2423, 3358, 4846, 6716, 8395, 9692, 12115, 16790, 24230, 33580, 48460, 55729, 111458, 176879, 222916, 278645, 353758, 557290, 707516, 884395, 1114580, 1768790, 3537580, 4068217, 8136434, 16272868, 20341085, 40682170, 81364340]

約数ペア:

[(1, 81364340), (2, 40682170), (4, 20341085), (5, 16272868), (10, 8136434), (20, 4068217), (23, 3537580), (46, 1768790), (73, 1114580), (92, 884395), (115, 707516), (146, 557290), (230, 353758), (292, 278645), (365, 222916), (460, 176879), (730, 111458), (1460, 55729), (1679, 48460), (2423, 33580), (3358, 24230), (4846, 16790), (6716, 12115), (8395, 9692)]