61326340

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 131725440

約数和(自身を除く): 70399100

約数列:

[1, 2, 4, 5, 10, 20, 89, 131, 178, 262, 263, 356, 445, 524, 526, 655, 890, 1052, 1310, 1315, 1780, 2620, 2630, 5260, 11659, 23318, 23407, 34453, 46636, 46814, 58295, 68906, 93628, 116590, 117035, 137812, 172265, 233180, 234070, 344530, 468140, 689060, 3066317, 6132634, 12265268, 15331585, 30663170, 61326340]

約数ペア:

[(1, 61326340), (2, 30663170), (4, 15331585), (5, 12265268), (10, 6132634), (20, 3066317), (89, 689060), (131, 468140), (178, 344530), (262, 234070), (263, 233180), (356, 172265), (445, 137812), (524, 117035), (526, 116590), (655, 93628), (890, 68906), (1052, 58295), (1310, 46814), (1315, 46636), (1780, 34453), (2620, 23407), (2630, 23318), (5260, 11659)]