40737440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{881}}^1$

素因数の和:930

約数の個数: 72

約数和(自身を含む): 102352572

約数和(自身を除く): 61615132

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 289, 340, 544, 578, 680, 881, 1156, 1360, 1445, 1762, 2312, 2720, 2890, 3524, 4405, 4624, 5780, 7048, 8810, 9248, 11560, 14096, 14977, 17620, 23120, 28192, 29954, 35240, 46240, 59908, 70480, 74885, 119816, 140960, 149770, 239632, 254609, 299540, 479264, 509218, 599080, 1018436, 1198160, 1273045, 2036872, 2396320, 2546090, 4073744, 5092180, 8147488, 10184360, 20368720, 40737440]

約数ペア:

[(1, 40737440), (2, 20368720), (4, 10184360), (5, 8147488), (8, 5092180), (10, 4073744), (16, 2546090), (17, 2396320), (20, 2036872), (32, 1273045), (34, 1198160), (40, 1018436), (68, 599080), (80, 509218), (85, 479264), (136, 299540), (160, 254609), (170, 239632), (272, 149770), (289, 140960), (340, 119816), (544, 74885), (578, 70480), (680, 59908), (881, 46240), (1156, 35240), (1360, 29954), (1445, 28192), (1762, 23120), (2312, 17620), (2720, 14977), (2890, 14096), (3524, 11560), (4405, 9248), (4624, 8810), (5780, 7048)]