38445680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5281}}^1$

素因数の和:5314

約数の個数: 80

約数和(自身を含む): 110034624

約数和(自身を除く): 71588944

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 5281, 7280, 10562, 21124, 26405, 36967, 42248, 52810, 68653, 73934, 84496, 105620, 137306, 147868, 184835, 211240, 274612, 295736, 343265, 369670, 422480, 480571, 549224, 591472, 686530, 739340, 961142, 1098448, 1373060, 1478680, 1922284, 2402855, 2746120, 2957360, 3844568, 4805710, 5492240, 7689136, 9611420, 19222840, 38445680]

約数ペア:

[(1, 38445680), (2, 19222840), (4, 9611420), (5, 7689136), (7, 5492240), (8, 4805710), (10, 3844568), (13, 2957360), (14, 2746120), (16, 2402855), (20, 1922284), (26, 1478680), (28, 1373060), (35, 1098448), (40, 961142), (52, 739340), (56, 686530), (65, 591472), (70, 549224), (80, 480571), (91, 422480), (104, 369670), (112, 343265), (130, 295736), (140, 274612), (182, 211240), (208, 184835), (260, 147868), (280, 137306), (364, 105620), (455, 84496), (520, 73934), (560, 68653), (728, 52810), (910, 42248), (1040, 36967), (1456, 26405), (1820, 21124), (3640, 10562), (5281, 7280)]