15625480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 38304000

約数和(自身を除く): 22678520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 151, 199, 260, 302, 398, 520, 604, 755, 796, 995, 1208, 1510, 1592, 1963, 1990, 2587, 3020, 3926, 3980, 5174, 6040, 7852, 7960, 9815, 10348, 12935, 15704, 19630, 20696, 25870, 30049, 39260, 51740, 60098, 78520, 103480, 120196, 150245, 240392, 300490, 390637, 600980, 781274, 1201960, 1562548, 1953185, 3125096, 3906370, 7812740, 15625480]

約数ペア:

[(1, 15625480), (2, 7812740), (4, 3906370), (5, 3125096), (8, 1953185), (10, 1562548), (13, 1201960), (20, 781274), (26, 600980), (40, 390637), (52, 300490), (65, 240392), (104, 150245), (130, 120196), (151, 103480), (199, 78520), (260, 60098), (302, 51740), (398, 39260), (520, 30049), (604, 25870), (755, 20696), (796, 19630), (995, 15704), (1208, 12935), (1510, 10348), (1592, 9815), (1963, 7960), (1990, 7852), (2587, 6040), (3020, 5174), (3926, 3980)]