40307960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{569}}^1$

素因数の和:621

約数の個数: 128

約数和(自身を含む): 118195200

約数和(自身を除く): 77887240

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 28, 35, 40, 44, 46, 55, 56, 70, 77, 88, 92, 110, 115, 140, 154, 161, 184, 220, 230, 253, 280, 308, 322, 385, 440, 460, 506, 569, 616, 644, 770, 805, 920, 1012, 1138, 1265, 1288, 1540, 1610, 1771, 2024, 2276, 2530, 2845, 3080, 3220, 3542, 3983, 4552, 5060, 5690, 6259, 6440, 7084, 7966, 8855, 10120, 11380, 12518, 13087, 14168, 15932, 17710, 19915, 22760, 25036, 26174, 31295, 31864, 35420, 39830, 43813, 50072, 52348, 62590, 65435, 70840, 79660, 87626, 91609, 104696, 125180, 130870, 143957, 159320, 175252, 183218, 219065, 250360, 261740, 287914, 350504, 366436, 438130, 458045, 523480, 575828, 719785, 732872, 876260, 916090, 1007699, 1151656, 1439570, 1752520, 1832180, 2015398, 2879140, 3664360, 4030796, 5038495, 5758280, 8061592, 10076990, 20153980, 40307960]

約数ペア:

[(1, 40307960), (2, 20153980), (4, 10076990), (5, 8061592), (7, 5758280), (8, 5038495), (10, 4030796), (11, 3664360), (14, 2879140), (20, 2015398), (22, 1832180), (23, 1752520), (28, 1439570), (35, 1151656), (40, 1007699), (44, 916090), (46, 876260), (55, 732872), (56, 719785), (70, 575828), (77, 523480), (88, 458045), (92, 438130), (110, 366436), (115, 350504), (140, 287914), (154, 261740), (161, 250360), (184, 219065), (220, 183218), (230, 175252), (253, 159320), (280, 143957), (308, 130870), (322, 125180), (385, 104696), (440, 91609), (460, 87626), (506, 79660), (569, 70840), (616, 65435), (644, 62590), (770, 52348), (805, 50072), (920, 43813), (1012, 39830), (1138, 35420), (1265, 31864), (1288, 31295), (1540, 26174), (1610, 25036), (1771, 22760), (2024, 19915), (2276, 17710), (2530, 15932), (2845, 14168), (3080, 13087), (3220, 12518), (3542, 11380), (3983, 10120), (4552, 8855), (5060, 7966), (5690, 7084), (6259, 6440)]