8876720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:198

約数の個数: 80

約数和(自身を含む): 22418208

約数和(自身を除く): 13541488

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 61, 68, 80, 85, 107, 122, 136, 170, 214, 244, 272, 305, 340, 428, 488, 535, 610, 680, 856, 976, 1037, 1070, 1220, 1360, 1712, 1819, 2074, 2140, 2440, 3638, 4148, 4280, 4880, 5185, 6527, 7276, 8296, 8560, 9095, 10370, 13054, 14552, 16592, 18190, 20740, 26108, 29104, 32635, 36380, 41480, 52216, 65270, 72760, 82960, 104432, 110959, 130540, 145520, 221918, 261080, 443836, 522160, 554795, 887672, 1109590, 1775344, 2219180, 4438360, 8876720]

約数ペア:

[(1, 8876720), (2, 4438360), (4, 2219180), (5, 1775344), (8, 1109590), (10, 887672), (16, 554795), (17, 522160), (20, 443836), (34, 261080), (40, 221918), (61, 145520), (68, 130540), (80, 110959), (85, 104432), (107, 82960), (122, 72760), (136, 65270), (170, 52216), (214, 41480), (244, 36380), (272, 32635), (305, 29104), (340, 26108), (428, 20740), (488, 18190), (535, 16592), (610, 14552), (680, 13054), (856, 10370), (976, 9095), (1037, 8560), (1070, 8296), (1220, 7276), (1360, 6527), (1712, 5185), (1819, 4880), (2074, 4280), (2140, 4148), (2440, 3638)]