121550554450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{641}}^1\times {\mathrm{22441}}^1$

素因数の和:23120

約数の個数: 72

約数和(自身を含む): 245205735516

約数和(自身を除く): 123655181066

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 641, 650, 845, 1282, 1690, 3205, 4225, 6410, 8333, 8450, 16025, 16666, 22441, 32050, 41665, 44882, 83330, 108329, 112205, 208325, 216658, 224410, 291733, 416650, 541645, 561025, 583466, 1083290, 1122050, 1458665, 2708225, 2917330, 3792529, 5416450, 7293325, 7585058, 14384681, 14586650, 18962645, 28769362, 37925290, 71923405, 94813225, 143846810, 187000853, 189626450, 359617025, 374001706, 719234050, 935004265, 1870008530, 2431011089, 4675021325, 4862022178, 9350042650, 12155055445, 24310110890, 60775277225, 121550554450]

約数ペア:

[(1, 121550554450), (2, 60775277225), (5, 24310110890), (10, 12155055445), (13, 9350042650), (25, 4862022178), (26, 4675021325), (50, 2431011089), (65, 1870008530), (130, 935004265), (169, 719234050), (325, 374001706), (338, 359617025), (641, 189626450), (650, 187000853), (845, 143846810), (1282, 94813225), (1690, 71923405), (3205, 37925290), (4225, 28769362), (6410, 18962645), (8333, 14586650), (8450, 14384681), (16025, 7585058), (16666, 7293325), (22441, 5416450), (32050, 3792529), (41665, 2917330), (44882, 2708225), (83330, 1458665), (108329, 1122050), (112205, 1083290), (208325, 583466), (216658, 561025), (224410, 541645), (291733, 416650)]