81029000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1$

素因数の和:328

約数の個数: 128

約数和(自身を含む): 213857280

約数和(自身を除く): 132828280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 25, 26, 40, 46, 50, 52, 65, 92, 100, 104, 115, 125, 130, 184, 200, 230, 250, 260, 271, 299, 325, 460, 500, 520, 542, 575, 598, 650, 920, 1000, 1084, 1150, 1196, 1300, 1355, 1495, 1625, 2168, 2300, 2392, 2600, 2710, 2875, 2990, 3250, 3523, 4600, 5420, 5750, 5980, 6233, 6500, 6775, 7046, 7475, 10840, 11500, 11960, 12466, 13000, 13550, 14092, 14950, 17615, 23000, 24932, 27100, 28184, 29900, 31165, 33875, 35230, 37375, 49864, 54200, 59800, 62330, 67750, 70460, 74750, 81029, 88075, 124660, 135500, 140920, 149500, 155825, 162058, 176150, 249320, 271000, 299000, 311650, 324116, 352300, 405145, 440375, 623300, 648232, 704600, 779125, 810290, 880750, 1246600, 1558250, 1620580, 1761500, 2025725, 3116500, 3241160, 3523000, 4051450, 6233000, 8102900, 10128625, 16205800, 20257250, 40514500, 81029000]

約数ペア:

[(1, 81029000), (2, 40514500), (4, 20257250), (5, 16205800), (8, 10128625), (10, 8102900), (13, 6233000), (20, 4051450), (23, 3523000), (25, 3241160), (26, 3116500), (40, 2025725), (46, 1761500), (50, 1620580), (52, 1558250), (65, 1246600), (92, 880750), (100, 810290), (104, 779125), (115, 704600), (125, 648232), (130, 623300), (184, 440375), (200, 405145), (230, 352300), (250, 324116), (260, 311650), (271, 299000), (299, 271000), (325, 249320), (460, 176150), (500, 162058), (520, 155825), (542, 149500), (575, 140920), (598, 135500), (650, 124660), (920, 88075), (1000, 81029), (1084, 74750), (1150, 70460), (1196, 67750), (1300, 62330), (1355, 59800), (1495, 54200), (1625, 49864), (2168, 37375), (2300, 35230), (2392, 33875), (2600, 31165), (2710, 29900), (2875, 28184), (2990, 27100), (3250, 24932), (3523, 23000), (4600, 17615), (5420, 14950), (5750, 14092), (5980, 13550), (6233, 13000), (6500, 12466), (6775, 11960), (7046, 11500), (7475, 10840)]