12961944340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{133711}}^1$

素因数の和:133888

約数の個数: 48

約数和(自身を含む): 28169374464

約数和(自身を除く): 15207430124

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 131, 148, 185, 262, 370, 524, 655, 740, 1310, 2620, 4847, 9694, 19388, 24235, 48470, 96940, 133711, 267422, 534844, 668555, 1337110, 2674220, 4947307, 9894614, 17516141, 19789228, 24736535, 35032282, 49473070, 70064564, 87580705, 98946140, 175161410, 350322820, 648097217, 1296194434, 2592388868, 3240486085, 6480972170, 12961944340]

約数ペア:

[(1, 12961944340), (2, 6480972170), (4, 3240486085), (5, 2592388868), (10, 1296194434), (20, 648097217), (37, 350322820), (74, 175161410), (131, 98946140), (148, 87580705), (185, 70064564), (262, 49473070), (370, 35032282), (524, 24736535), (655, 19789228), (740, 17516141), (1310, 9894614), (2620, 4947307), (4847, 2674220), (9694, 1337110), (19388, 668555), (24235, 534844), (48470, 267422), (96940, 133711)]