40738256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:360

約数の個数: 80

約数和(自身を含む): 92525328

約数和(自身を除く): 51787072

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 41, 52, 68, 82, 104, 136, 164, 208, 221, 272, 281, 328, 442, 533, 562, 656, 697, 884, 1066, 1124, 1394, 1768, 2132, 2248, 2788, 3536, 3653, 4264, 4496, 4777, 5576, 7306, 8528, 9061, 9554, 11152, 11521, 14612, 18122, 19108, 23042, 29224, 36244, 38216, 46084, 58448, 62101, 72488, 76432, 92168, 124202, 144976, 149773, 184336, 195857, 248404, 299546, 391714, 496808, 599092, 783428, 993616, 1198184, 1566856, 2396368, 2546141, 3133712, 5092282, 10184564, 20369128, 40738256]

約数ペア:

[(1, 40738256), (2, 20369128), (4, 10184564), (8, 5092282), (13, 3133712), (16, 2546141), (17, 2396368), (26, 1566856), (34, 1198184), (41, 993616), (52, 783428), (68, 599092), (82, 496808), (104, 391714), (136, 299546), (164, 248404), (208, 195857), (221, 184336), (272, 149773), (281, 144976), (328, 124202), (442, 92168), (533, 76432), (562, 72488), (656, 62101), (697, 58448), (884, 46084), (1066, 38216), (1124, 36244), (1394, 29224), (1768, 23042), (2132, 19108), (2248, 18122), (2788, 14612), (3536, 11521), (3653, 11152), (4264, 9554), (4496, 9061), (4777, 8528), (5576, 7306)]