82641520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{347}}^1$

素因数の和:602

約数の個数: 80

約数和(自身を含む): 208424160

約数和(自身を除く): 125782640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 229, 260, 347, 458, 520, 694, 916, 1040, 1145, 1388, 1735, 1832, 2290, 2776, 2977, 3470, 3664, 4511, 4580, 5552, 5954, 6940, 9022, 9160, 11908, 13880, 14885, 18044, 18320, 22555, 23816, 27760, 29770, 36088, 45110, 47632, 59540, 72176, 79463, 90220, 119080, 158926, 180440, 238160, 317852, 360880, 397315, 635704, 794630, 1033019, 1271408, 1589260, 2066038, 3178520, 4132076, 5165095, 6357040, 8264152, 10330190, 16528304, 20660380, 41320760, 82641520]

約数ペア:

[(1, 82641520), (2, 41320760), (4, 20660380), (5, 16528304), (8, 10330190), (10, 8264152), (13, 6357040), (16, 5165095), (20, 4132076), (26, 3178520), (40, 2066038), (52, 1589260), (65, 1271408), (80, 1033019), (104, 794630), (130, 635704), (208, 397315), (229, 360880), (260, 317852), (347, 238160), (458, 180440), (520, 158926), (694, 119080), (916, 90220), (1040, 79463), (1145, 72176), (1388, 59540), (1735, 47632), (1832, 45110), (2290, 36088), (2776, 29770), (2977, 27760), (3470, 23816), (3664, 22555), (4511, 18320), (4580, 18044), (5552, 14885), (5954, 13880), (6940, 11908), (9022, 9160)]