65405440

素因数分解:

$2^9\times 5^1\times {\mathrm{29}}^1\times {\mathrm{881}}^1$

素因数の和:933

約数の個数: 80

約数和(自身を含む): 162411480

約数和(自身を除く): 97006040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 512, 580, 640, 881, 928, 1160, 1280, 1762, 1856, 2320, 2560, 3524, 3712, 4405, 4640, 7048, 7424, 8810, 9280, 14096, 14848, 17620, 18560, 25549, 28192, 35240, 37120, 51098, 56384, 70480, 74240, 102196, 112768, 127745, 140960, 204392, 225536, 255490, 281920, 408784, 451072, 510980, 563840, 817568, 1021960, 1127680, 1635136, 2043920, 2255360, 3270272, 4087840, 6540544, 8175680, 13081088, 16351360, 32702720, 65405440]

約数ペア:

[(1, 65405440), (2, 32702720), (4, 16351360), (5, 13081088), (8, 8175680), (10, 6540544), (16, 4087840), (20, 3270272), (29, 2255360), (32, 2043920), (40, 1635136), (58, 1127680), (64, 1021960), (80, 817568), (116, 563840), (128, 510980), (145, 451072), (160, 408784), (232, 281920), (256, 255490), (290, 225536), (320, 204392), (464, 140960), (512, 127745), (580, 112768), (640, 102196), (881, 74240), (928, 70480), (1160, 56384), (1280, 51098), (1762, 37120), (1856, 35240), (2320, 28192), (2560, 25549), (3524, 18560), (3712, 17620), (4405, 14848), (4640, 14096), (7048, 9280), (7424, 8810)]