13304729420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{163811}}^1$

素因数の和:163982

約数の個数: 48

約数和(自身を含む): 29061559296

約数和(自身を除く): 15756829876

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 131, 155, 262, 310, 524, 620, 655, 1310, 2620, 4061, 8122, 16244, 20305, 40610, 81220, 163811, 327622, 655244, 819055, 1638110, 3276220, 5078141, 10156282, 20312564, 21459241, 25390705, 42918482, 50781410, 85836964, 101562820, 107296205, 214592410, 429184820, 665236471, 1330472942, 2660945884, 3326182355, 6652364710, 13304729420]

約数ペア:

[(1, 13304729420), (2, 6652364710), (4, 3326182355), (5, 2660945884), (10, 1330472942), (20, 665236471), (31, 429184820), (62, 214592410), (124, 107296205), (131, 101562820), (155, 85836964), (262, 50781410), (310, 42918482), (524, 25390705), (620, 21459241), (655, 20312564), (1310, 10156282), (2620, 5078141), (4061, 3276220), (8122, 1638110), (16244, 819055), (20305, 655244), (40610, 327622), (81220, 163811)]