23428040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 56453760

約数和(自身を除く): 33025720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 131, 136, 170, 262, 263, 340, 524, 526, 655, 680, 1048, 1052, 1310, 1315, 2104, 2227, 2620, 2630, 4454, 4471, 5240, 5260, 8908, 8942, 10520, 11135, 17816, 17884, 22270, 22355, 34453, 35768, 44540, 44710, 68906, 89080, 89420, 137812, 172265, 178840, 275624, 344530, 585701, 689060, 1171402, 1378120, 2342804, 2928505, 4685608, 5857010, 11714020, 23428040]

約数ペア:

[(1, 23428040), (2, 11714020), (4, 5857010), (5, 4685608), (8, 2928505), (10, 2342804), (17, 1378120), (20, 1171402), (34, 689060), (40, 585701), (68, 344530), (85, 275624), (131, 178840), (136, 172265), (170, 137812), (262, 89420), (263, 89080), (340, 68906), (524, 44710), (526, 44540), (655, 35768), (680, 34453), (1048, 22355), (1052, 22270), (1310, 17884), (1315, 17816), (2104, 11135), (2227, 10520), (2620, 8942), (2630, 8908), (4454, 5260), (4471, 5240)]