31843040

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{509}}^1$

素因数の和:564

約数の個数: 96

約数和(自身を含む): 83280960

約数和(自身を除く): 51437920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 68, 80, 85, 92, 115, 136, 160, 170, 184, 230, 272, 340, 368, 391, 460, 509, 544, 680, 736, 782, 920, 1018, 1360, 1564, 1840, 1955, 2036, 2545, 2720, 3128, 3680, 3910, 4072, 5090, 6256, 7820, 8144, 8653, 10180, 11707, 12512, 15640, 16288, 17306, 20360, 23414, 31280, 34612, 40720, 43265, 46828, 58535, 62560, 69224, 81440, 86530, 93656, 117070, 138448, 173060, 187312, 199019, 234140, 276896, 346120, 374624, 398038, 468280, 692240, 796076, 936560, 995095, 1384480, 1592152, 1873120, 1990190, 3184304, 3980380, 6368608, 7960760, 15921520, 31843040]

約数ペア:

[(1, 31843040), (2, 15921520), (4, 7960760), (5, 6368608), (8, 3980380), (10, 3184304), (16, 1990190), (17, 1873120), (20, 1592152), (23, 1384480), (32, 995095), (34, 936560), (40, 796076), (46, 692240), (68, 468280), (80, 398038), (85, 374624), (92, 346120), (115, 276896), (136, 234140), (160, 199019), (170, 187312), (184, 173060), (230, 138448), (272, 117070), (340, 93656), (368, 86530), (391, 81440), (460, 69224), (509, 62560), (544, 58535), (680, 46828), (736, 43265), (782, 40720), (920, 34612), (1018, 31280), (1360, 23414), (1564, 20360), (1840, 17306), (1955, 16288), (2036, 15640), (2545, 12512), (2720, 11707), (3128, 10180), (3680, 8653), (3910, 8144), (4072, 7820), (5090, 6256)]