89141120

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4493}}^1$

素因数の和:4543

約数の個数: 64

約数和(自身を含む): 220026240

約数和(自身を除く): 130885120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4493, 4960, 8986, 9920, 17972, 19840, 22465, 35944, 44930, 71888, 89860, 139283, 143776, 179720, 278566, 287552, 359440, 557132, 575104, 696415, 718880, 1114264, 1392830, 1437760, 2228528, 2785660, 2875520, 4457056, 5571320, 8914112, 11142640, 17828224, 22285280, 44570560, 89141120]

約数ペア:

[(1, 89141120), (2, 44570560), (4, 22285280), (5, 17828224), (8, 11142640), (10, 8914112), (16, 5571320), (20, 4457056), (31, 2875520), (32, 2785660), (40, 2228528), (62, 1437760), (64, 1392830), (80, 1114264), (124, 718880), (128, 696415), (155, 575104), (160, 557132), (248, 359440), (310, 287552), (320, 278566), (496, 179720), (620, 143776), (640, 139283), (992, 89860), (1240, 71888), (1984, 44930), (2480, 35944), (3968, 22465), (4493, 19840), (4960, 17972), (8986, 9920)]