31686640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1013}}^1$

素因数の和:1066

約数の個数: 80

約数和(自身を含む): 81476928

約数和(自身を除く): 49790288

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 80, 85, 92, 115, 136, 170, 184, 230, 272, 340, 368, 391, 460, 680, 782, 920, 1013, 1360, 1564, 1840, 1955, 2026, 3128, 3910, 4052, 5065, 6256, 7820, 8104, 10130, 15640, 16208, 17221, 20260, 23299, 31280, 34442, 40520, 46598, 68884, 81040, 86105, 93196, 116495, 137768, 172210, 186392, 232990, 275536, 344420, 372784, 396083, 465980, 688840, 792166, 931960, 1377680, 1584332, 1863920, 1980415, 3168664, 3960830, 6337328, 7921660, 15843320, 31686640]

約数ペア:

[(1, 31686640), (2, 15843320), (4, 7921660), (5, 6337328), (8, 3960830), (10, 3168664), (16, 1980415), (17, 1863920), (20, 1584332), (23, 1377680), (34, 931960), (40, 792166), (46, 688840), (68, 465980), (80, 396083), (85, 372784), (92, 344420), (115, 275536), (136, 232990), (170, 186392), (184, 172210), (230, 137768), (272, 116495), (340, 93196), (368, 86105), (391, 81040), (460, 68884), (680, 46598), (782, 40520), (920, 34442), (1013, 31280), (1360, 23299), (1564, 20260), (1840, 17221), (1955, 16208), (2026, 15640), (3128, 10130), (3910, 8104), (4052, 7820), (5065, 6256)]