4720382890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{129361}}^1$

素因数の和:129498

約数の個数: 32

約数和(自身を含む): 8801790480

約数和(自身を除く): 4081407590

約数列:

[1, 2, 5, 10, 41, 82, 89, 178, 205, 410, 445, 890, 3649, 7298, 18245, 36490, 129361, 258722, 646805, 1293610, 5303801, 10607602, 11513129, 23026258, 26519005, 53038010, 57565645, 115131290, 472038289, 944076578, 2360191445, 4720382890]

約数ペア:

[(1, 4720382890), (2, 2360191445), (5, 944076578), (10, 472038289), (41, 115131290), (82, 57565645), (89, 53038010), (178, 26519005), (205, 23026258), (410, 11513129), (445, 10607602), (890, 5303801), (3649, 1293610), (7298, 646805), (18245, 258722), (36490, 129361)]