1010102020

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{443}}^1\times {\mathrm{659}}^1$

素因数の和:1284

約数の個数: 48

約数和(自身を含む): 2141536320

約数和(自身を除く): 1131434300

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 443, 659, 692, 865, 886, 1318, 1730, 1772, 2215, 2636, 3295, 3460, 4430, 6590, 8860, 13180, 76639, 114007, 153278, 228014, 291937, 306556, 383195, 456028, 570035, 583874, 766390, 1140070, 1167748, 1459685, 1532780, 2280140, 2919370, 5838740, 50505101, 101010202, 202020404, 252525505, 505051010, 1010102020]

約数ペア:

[(1, 1010102020), (2, 505051010), (4, 252525505), (5, 202020404), (10, 101010202), (20, 50505101), (173, 5838740), (346, 2919370), (443, 2280140), (659, 1532780), (692, 1459685), (865, 1167748), (886, 1140070), (1318, 766390), (1730, 583874), (1772, 570035), (2215, 456028), (2636, 383195), (3295, 306556), (3460, 291937), (4430, 228014), (6590, 153278), (8860, 114007), (13180, 76639)]