42131440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2383}}^1$

素因数の和:2426

約数の個数: 80

約数和(自身を含む): 111742848

約数和(自身を除く): 69611408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 2383, 3536, 4420, 4766, 8840, 9532, 11915, 17680, 19064, 23830, 30979, 38128, 40511, 47660, 61958, 81022, 95320, 123916, 154895, 162044, 190640, 202555, 247832, 309790, 324088, 405110, 495664, 526643, 619580, 648176, 810220, 1053286, 1239160, 1620440, 2106572, 2478320, 2633215, 3240880, 4213144, 5266430, 8426288, 10532860, 21065720, 42131440]

約数ペア:

[(1, 42131440), (2, 21065720), (4, 10532860), (5, 8426288), (8, 5266430), (10, 4213144), (13, 3240880), (16, 2633215), (17, 2478320), (20, 2106572), (26, 1620440), (34, 1239160), (40, 1053286), (52, 810220), (65, 648176), (68, 619580), (80, 526643), (85, 495664), (104, 405110), (130, 324088), (136, 309790), (170, 247832), (208, 202555), (221, 190640), (260, 162044), (272, 154895), (340, 123916), (442, 95320), (520, 81022), (680, 61958), (884, 47660), (1040, 40511), (1105, 38128), (1360, 30979), (1768, 23830), (2210, 19064), (2383, 17680), (3536, 11915), (4420, 9532), (4766, 8840)]