84220720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61927}}^1$

素因数の和:61957

約数の個数: 40

約数和(自身を含む): 207334944

約数和(自身を除く): 123114224

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 61927, 123854, 247708, 309635, 495416, 619270, 990832, 1052759, 1238540, 2105518, 2477080, 4211036, 4954160, 5263795, 8422072, 10527590, 16844144, 21055180, 42110360, 84220720]

約数ペア:

[(1, 84220720), (2, 42110360), (4, 21055180), (5, 16844144), (8, 10527590), (10, 8422072), (16, 5263795), (17, 4954160), (20, 4211036), (34, 2477080), (40, 2105518), (68, 1238540), (80, 1052759), (85, 990832), (136, 619270), (170, 495416), (272, 309635), (340, 247708), (680, 123854), (1360, 61927)]