13203721870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{619}}^1\times {\mathrm{857}}^1$

素因数の和:1633

約数の個数: 64

約数和(自身を含む): 25278739200

約数和(自身を除く): 12075017330

約数列:

[1, 2, 5, 10, 19, 38, 95, 131, 190, 262, 619, 655, 857, 1238, 1310, 1714, 2489, 3095, 4285, 4978, 6190, 8570, 11761, 12445, 16283, 23522, 24890, 32566, 58805, 81089, 81415, 112267, 117610, 162178, 162830, 224534, 405445, 530483, 561335, 810890, 1060966, 1122670, 1540691, 2133073, 2652415, 3081382, 4266146, 5304830, 7703455, 10079177, 10665365, 15406910, 20158354, 21330730, 50395885, 69493273, 100791770, 138986546, 347466365, 694932730, 1320372187, 2640744374, 6601860935, 13203721870]

約数ペア:

[(1, 13203721870), (2, 6601860935), (5, 2640744374), (10, 1320372187), (19, 694932730), (38, 347466365), (95, 138986546), (131, 100791770), (190, 69493273), (262, 50395885), (619, 21330730), (655, 20158354), (857, 15406910), (1238, 10665365), (1310, 10079177), (1714, 7703455), (2489, 5304830), (3095, 4266146), (4285, 3081382), (4978, 2652415), (6190, 2133073), (8570, 1540691), (11761, 1122670), (12445, 1060966), (16283, 810890), (23522, 561335), (24890, 530483), (32566, 405445), (58805, 224534), (81089, 162830), (81415, 162178), (112267, 117610)]