25429720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 60445440

約数和(自身を除く): 35015720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 131, 184, 211, 230, 262, 422, 460, 524, 655, 844, 920, 1048, 1055, 1310, 1688, 2110, 2620, 3013, 4220, 4853, 5240, 6026, 8440, 9706, 12052, 15065, 19412, 24104, 24265, 27641, 30130, 38824, 48530, 55282, 60260, 97060, 110564, 120520, 138205, 194120, 221128, 276410, 552820, 635743, 1105640, 1271486, 2542972, 3178715, 5085944, 6357430, 12714860, 25429720]

約数ペア:

[(1, 25429720), (2, 12714860), (4, 6357430), (5, 5085944), (8, 3178715), (10, 2542972), (20, 1271486), (23, 1105640), (40, 635743), (46, 552820), (92, 276410), (115, 221128), (131, 194120), (184, 138205), (211, 120520), (230, 110564), (262, 97060), (422, 60260), (460, 55282), (524, 48530), (655, 38824), (844, 30130), (920, 27641), (1048, 24265), (1055, 24104), (1310, 19412), (1688, 15065), (2110, 12052), (2620, 9706), (3013, 8440), (4220, 6026), (4853, 5240)]