80228720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7013}}^1$

素因数の和:7050

約数の個数: 80

約数和(自身を含む): 219173472

約数和(自身を除く): 138944752

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 5720, 7013, 11440, 14026, 28052, 35065, 56104, 70130, 77143, 91169, 112208, 140260, 154286, 182338, 280520, 308572, 364676, 385715, 455845, 561040, 617144, 729352, 771430, 911690, 1002859, 1234288, 1458704, 1542860, 1823380, 2005718, 3085720, 3646760, 4011436, 5014295, 6171440, 7293520, 8022872, 10028590, 16045744, 20057180, 40114360, 80228720]

約数ペア:

[(1, 80228720), (2, 40114360), (4, 20057180), (5, 16045744), (8, 10028590), (10, 8022872), (11, 7293520), (13, 6171440), (16, 5014295), (20, 4011436), (22, 3646760), (26, 3085720), (40, 2005718), (44, 1823380), (52, 1542860), (55, 1458704), (65, 1234288), (80, 1002859), (88, 911690), (104, 771430), (110, 729352), (130, 617144), (143, 561040), (176, 455845), (208, 385715), (220, 364676), (260, 308572), (286, 280520), (440, 182338), (520, 154286), (572, 140260), (715, 112208), (880, 91169), (1040, 77143), (1144, 70130), (1430, 56104), (2288, 35065), (2860, 28052), (5720, 14026), (7013, 11440)]