65008720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4003}}^1$

素因数の和:4052

約数の個数: 80

約数和(自身を含む): 178738560

約数和(自身を除く): 113729840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1624, 2030, 2320, 3248, 4003, 4060, 8006, 8120, 16012, 16240, 20015, 28021, 32024, 40030, 56042, 64048, 80060, 112084, 116087, 140105, 160120, 224168, 232174, 280210, 320240, 448336, 464348, 560420, 580435, 812609, 928696, 1120840, 1160870, 1625218, 1857392, 2241680, 2321740, 3250436, 4063045, 4643480, 6500872, 8126090, 9286960, 13001744, 16252180, 32504360, 65008720]

約数ペア:

[(1, 65008720), (2, 32504360), (4, 16252180), (5, 13001744), (7, 9286960), (8, 8126090), (10, 6500872), (14, 4643480), (16, 4063045), (20, 3250436), (28, 2321740), (29, 2241680), (35, 1857392), (40, 1625218), (56, 1160870), (58, 1120840), (70, 928696), (80, 812609), (112, 580435), (116, 560420), (140, 464348), (145, 448336), (203, 320240), (232, 280210), (280, 232174), (290, 224168), (406, 160120), (464, 140105), (560, 116087), (580, 112084), (812, 80060), (1015, 64048), (1160, 56042), (1624, 40030), (2030, 32024), (2320, 28021), (3248, 20015), (4003, 16240), (4060, 16012), (8006, 8120)]