12209660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 27095040

約数和(自身を除く): 14885380

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 310, 419, 470, 620, 838, 940, 1457, 1676, 2095, 2914, 4190, 5828, 7285, 8380, 12989, 14570, 19693, 25978, 29140, 39386, 51956, 64945, 78772, 98465, 129890, 196930, 259780, 393860, 610483, 1220966, 2441932, 3052415, 6104830, 12209660]

約数ペア:

[(1, 12209660), (2, 6104830), (4, 3052415), (5, 2441932), (10, 1220966), (20, 610483), (31, 393860), (47, 259780), (62, 196930), (94, 129890), (124, 98465), (155, 78772), (188, 64945), (235, 51956), (310, 39386), (419, 29140), (470, 25978), (620, 19693), (838, 14570), (940, 12989), (1457, 8380), (1676, 7285), (2095, 5828), (2914, 4190)]