79238120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{152381}}^1$

素因数の和:152405

約数の個数: 32

約数和(自身を含む): 192001320

約数和(自身を除く): 112763200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 152381, 304762, 609524, 761905, 1219048, 1523810, 1980953, 3047620, 3961906, 6095240, 7923812, 9904765, 15847624, 19809530, 39619060, 79238120]

約数ペア:

[(1, 79238120), (2, 39619060), (4, 19809530), (5, 15847624), (8, 9904765), (10, 7923812), (13, 6095240), (20, 3961906), (26, 3047620), (40, 1980953), (52, 1523810), (65, 1219048), (104, 761905), (130, 609524), (260, 304762), (520, 152381)]