89247280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{479}}^1$

素因数の和:646

約数の個数: 80

約数和(自身を含む): 221771520

約数和(自身を除く): 132524240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 137, 170, 272, 274, 340, 479, 548, 680, 685, 958, 1096, 1360, 1370, 1916, 2192, 2329, 2395, 2740, 3832, 4658, 4790, 5480, 7664, 8143, 9316, 9580, 10960, 11645, 16286, 18632, 19160, 23290, 32572, 37264, 38320, 40715, 46580, 65144, 65623, 81430, 93160, 130288, 131246, 162860, 186320, 262492, 325720, 328115, 524984, 651440, 656230, 1049968, 1115591, 1312460, 2231182, 2624920, 4462364, 5249840, 5577955, 8924728, 11155910, 17849456, 22311820, 44623640, 89247280]

約数ペア:

[(1, 89247280), (2, 44623640), (4, 22311820), (5, 17849456), (8, 11155910), (10, 8924728), (16, 5577955), (17, 5249840), (20, 4462364), (34, 2624920), (40, 2231182), (68, 1312460), (80, 1115591), (85, 1049968), (136, 656230), (137, 651440), (170, 524984), (272, 328115), (274, 325720), (340, 262492), (479, 186320), (548, 162860), (680, 131246), (685, 130288), (958, 93160), (1096, 81430), (1360, 65623), (1370, 65144), (1916, 46580), (2192, 40715), (2329, 38320), (2395, 37264), (2740, 32572), (3832, 23290), (4658, 19160), (4790, 18632), (5480, 16286), (7664, 11645), (8143, 10960), (9316, 9580)]