71223640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{77417}}^1$

素因数の和:77451

約数の個数: 32

約数和(自身を含む): 167222880

約数和(自身を除く): 95999240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 77417, 154834, 309668, 387085, 619336, 774170, 1548340, 1780591, 3096680, 3561182, 7122364, 8902955, 14244728, 17805910, 35611820, 71223640]

約数ペア:

[(1, 71223640), (2, 35611820), (4, 17805910), (5, 14244728), (8, 8902955), (10, 7122364), (20, 3561182), (23, 3096680), (40, 1780591), (46, 1548340), (92, 774170), (115, 619336), (184, 387085), (230, 309668), (460, 154834), (920, 77417)]