13309427780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1951529}}^1$

素因数の和:1951580

約数の個数: 48

約数和(自身を含む): 31474275840

約数和(自身を除く): 18164848060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 1951529, 3903058, 7806116, 9757645, 19515290, 21466819, 39030580, 42933638, 60497399, 85867276, 107334095, 120994798, 214668190, 241989596, 302486995, 429336380, 604973990, 665471389, 1209947980, 1330942778, 2661885556, 3327356945, 6654713890, 13309427780]

約数ペア:

[(1, 13309427780), (2, 6654713890), (4, 3327356945), (5, 2661885556), (10, 1330942778), (11, 1209947980), (20, 665471389), (22, 604973990), (31, 429336380), (44, 302486995), (55, 241989596), (62, 214668190), (110, 120994798), (124, 107334095), (155, 85867276), (220, 60497399), (310, 42933638), (341, 39030580), (620, 21466819), (682, 19515290), (1364, 9757645), (1705, 7806116), (3410, 3903058), (6820, 1951529)]