39283540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 89187840

約数和(自身を除く): 49904300

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 79, 92, 94, 115, 158, 188, 230, 235, 316, 395, 460, 470, 529, 790, 940, 1058, 1081, 1580, 1817, 2116, 2162, 2645, 3634, 3713, 4324, 5290, 5405, 7268, 7426, 9085, 10580, 10810, 14852, 18170, 18565, 21620, 24863, 36340, 37130, 41791, 49726, 74260, 83582, 85399, 99452, 124315, 167164, 170798, 208955, 248630, 341596, 417910, 426995, 497260, 835820, 853990, 1707980, 1964177, 3928354, 7856708, 9820885, 19641770, 39283540]

約数ペア:

[(1, 39283540), (2, 19641770), (4, 9820885), (5, 7856708), (10, 3928354), (20, 1964177), (23, 1707980), (46, 853990), (47, 835820), (79, 497260), (92, 426995), (94, 417910), (115, 341596), (158, 248630), (188, 208955), (230, 170798), (235, 167164), (316, 124315), (395, 99452), (460, 85399), (470, 83582), (529, 74260), (790, 49726), (940, 41791), (1058, 37130), (1081, 36340), (1580, 24863), (1817, 21620), (2116, 18565), (2162, 18170), (2645, 14852), (3634, 10810), (3713, 10580), (4324, 9085), (5290, 7426), (5405, 7268)]