90279520

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{33191}}^1$

素因数の和:33223

約数の個数: 48

約数和(自身を含む): 225838368

約数和(自身を除く): 135558848

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 33191, 66382, 132764, 165955, 265528, 331910, 531056, 564247, 663820, 1062112, 1128494, 1327640, 2256988, 2655280, 2821235, 4513976, 5310560, 5642470, 9027952, 11284940, 18055904, 22569880, 45139760, 90279520]

約数ペア:

[(1, 90279520), (2, 45139760), (4, 22569880), (5, 18055904), (8, 11284940), (10, 9027952), (16, 5642470), (17, 5310560), (20, 4513976), (32, 2821235), (34, 2655280), (40, 2256988), (68, 1327640), (80, 1128494), (85, 1062112), (136, 663820), (160, 564247), (170, 531056), (272, 331910), (340, 265528), (544, 165955), (680, 132764), (1360, 66382), (2720, 33191)]