80636990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{13879}}^1$

素因数の和:13976

約数の個数: 32

約数和(自身を含む): 167892480

約数和(自身を除く): 87255490

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 83, 166, 415, 581, 830, 1162, 2905, 5810, 13879, 27758, 69395, 97153, 138790, 194306, 485765, 971530, 1151957, 2303914, 5759785, 8063699, 11519570, 16127398, 40318495, 80636990]

約数ペア:

[(1, 80636990), (2, 40318495), (5, 16127398), (7, 11519570), (10, 8063699), (14, 5759785), (35, 2303914), (70, 1151957), (83, 971530), (166, 485765), (415, 194306), (581, 138790), (830, 97153), (1162, 69395), (2905, 27758), (5810, 13879)]