25042760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{397}}^1$

素因数の和:510

約数の個数: 64

約数和(自身を含む): 60177600

約数和(自身を除く): 35134840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 83, 95, 152, 166, 190, 332, 380, 397, 415, 664, 760, 794, 830, 1577, 1588, 1660, 1985, 3154, 3176, 3320, 3970, 6308, 7543, 7885, 7940, 12616, 15086, 15770, 15880, 30172, 31540, 32951, 37715, 60344, 63080, 65902, 75430, 131804, 150860, 164755, 263608, 301720, 329510, 626069, 659020, 1252138, 1318040, 2504276, 3130345, 5008552, 6260690, 12521380, 25042760]

約数ペア:

[(1, 25042760), (2, 12521380), (4, 6260690), (5, 5008552), (8, 3130345), (10, 2504276), (19, 1318040), (20, 1252138), (38, 659020), (40, 626069), (76, 329510), (83, 301720), (95, 263608), (152, 164755), (166, 150860), (190, 131804), (332, 75430), (380, 65902), (397, 63080), (415, 60344), (664, 37715), (760, 32951), (794, 31540), (830, 30172), (1577, 15880), (1588, 15770), (1660, 15086), (1985, 12616), (3154, 7940), (3176, 7885), (3320, 7543), (3970, 6308)]