40118960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2311}}^1$

素因数の和:2362

約数の個数: 80

約数和(自身を含む): 110088192

約数和(自身を除く): 69969232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2311, 2480, 3472, 4340, 4622, 8680, 9244, 11555, 16177, 17360, 18488, 23110, 32354, 36976, 46220, 64708, 71641, 80885, 92440, 129416, 143282, 161770, 184880, 258832, 286564, 323540, 358205, 501487, 573128, 647080, 716410, 1002974, 1146256, 1294160, 1432820, 2005948, 2507435, 2865640, 4011896, 5014870, 5731280, 8023792, 10029740, 20059480, 40118960]

約数ペア:

[(1, 40118960), (2, 20059480), (4, 10029740), (5, 8023792), (7, 5731280), (8, 5014870), (10, 4011896), (14, 2865640), (16, 2507435), (20, 2005948), (28, 1432820), (31, 1294160), (35, 1146256), (40, 1002974), (56, 716410), (62, 647080), (70, 573128), (80, 501487), (112, 358205), (124, 323540), (140, 286564), (155, 258832), (217, 184880), (248, 161770), (280, 143282), (310, 129416), (434, 92440), (496, 80885), (560, 71641), (620, 64708), (868, 46220), (1085, 36976), (1240, 32354), (1736, 23110), (2170, 18488), (2311, 17360), (2480, 16177), (3472, 11555), (4340, 9244), (4622, 8680)]