80237920

素因数分解:

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

素因数の和:2364

約数の個数: 96

約数和(自身を含む): 223727616

約数和(自身を除く): 143489696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 434, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 2170, 2311, 2480, 3472, 4340, 4622, 4960, 6944, 8680, 9244, 11555, 16177, 17360, 18488, 23110, 32354, 34720, 36976, 46220, 64708, 71641, 73952, 80885, 92440, 129416, 143282, 161770, 184880, 258832, 286564, 323540, 358205, 369760, 501487, 517664, 573128, 647080, 716410, 1002974, 1146256, 1294160, 1432820, 2005948, 2292512, 2507435, 2588320, 2865640, 4011896, 5014870, 5731280, 8023792, 10029740, 11462560, 16047584, 20059480, 40118960, 80237920]

約数ペア:

[(1, 80237920), (2, 40118960), (4, 20059480), (5, 16047584), (7, 11462560), (8, 10029740), (10, 8023792), (14, 5731280), (16, 5014870), (20, 4011896), (28, 2865640), (31, 2588320), (32, 2507435), (35, 2292512), (40, 2005948), (56, 1432820), (62, 1294160), (70, 1146256), (80, 1002974), (112, 716410), (124, 647080), (140, 573128), (155, 517664), (160, 501487), (217, 369760), (224, 358205), (248, 323540), (280, 286564), (310, 258832), (434, 184880), (496, 161770), (560, 143282), (620, 129416), (868, 92440), (992, 80885), (1085, 73952), (1120, 71641), (1240, 64708), (1736, 46220), (2170, 36976), (2311, 34720), (2480, 32354), (3472, 23110), (4340, 18488), (4622, 17360), (4960, 16177), (6944, 11555), (8680, 9244)]