80938280

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{24379}}^1$

素因数の和:24473

約数の個数: 32

約数和(自身を含む): 184312800

約数和(自身を除く): 103374520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 24379, 48758, 97516, 121895, 195032, 243790, 487580, 975160, 2023457, 4046914, 8093828, 10117285, 16187656, 20234570, 40469140, 80938280]

約数ペア:

[(1, 80938280), (2, 40469140), (4, 20234570), (5, 16187656), (8, 10117285), (10, 8093828), (20, 4046914), (40, 2023457), (83, 975160), (166, 487580), (332, 243790), (415, 195032), (664, 121895), (830, 97516), (1660, 48758), (3320, 24379)]