40001520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12821}}^1$

素因数の和:12850

約数の個数: 80

約数和(自身を含む): 133553952

約数和(自身を除く): 93552432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 12821, 25642, 38463, 51284, 64105, 76926, 102568, 128210, 153852, 166673, 192315, 205136, 256420, 307704, 333346, 384630, 500019, 512840, 615408, 666692, 769260, 833365, 1000038, 1025680, 1333384, 1538520, 1666730, 2000076, 2500095, 2666768, 3077040, 3333460, 4000152, 5000190, 6666920, 8000304, 10000380, 13333840, 20000760, 40001520]

約数ペア:

[(1, 40001520), (2, 20000760), (3, 13333840), (4, 10000380), (5, 8000304), (6, 6666920), (8, 5000190), (10, 4000152), (12, 3333460), (13, 3077040), (15, 2666768), (16, 2500095), (20, 2000076), (24, 1666730), (26, 1538520), (30, 1333384), (39, 1025680), (40, 1000038), (48, 833365), (52, 769260), (60, 666692), (65, 615408), (78, 512840), (80, 500019), (104, 384630), (120, 333346), (130, 307704), (156, 256420), (195, 205136), (208, 192315), (240, 166673), (260, 153852), (312, 128210), (390, 102568), (520, 76926), (624, 64105), (780, 51284), (1040, 38463), (1560, 25642), (3120, 12821)]