25919660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{761}}^1$

素因数の和:914

約数の個数: 48

約数和(自身を含む): 59143392

約数和(自身を除く): 33223732

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 761, 1310, 1522, 1703, 2620, 3044, 3406, 3805, 6812, 7610, 8515, 9893, 15220, 17030, 19786, 34060, 39572, 49465, 98930, 99691, 197860, 199382, 398764, 498455, 996910, 1295983, 1993820, 2591966, 5183932, 6479915, 12959830, 25919660]

約数ペア:

[(1, 25919660), (2, 12959830), (4, 6479915), (5, 5183932), (10, 2591966), (13, 1993820), (20, 1295983), (26, 996910), (52, 498455), (65, 398764), (130, 199382), (131, 197860), (260, 99691), (262, 98930), (524, 49465), (655, 39572), (761, 34060), (1310, 19786), (1522, 17030), (1703, 15220), (2620, 9893), (3044, 8515), (3406, 7610), (3805, 6812)]