64040320

素因数分解:

$2^7\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2129}}^1$

素因数の和:2195

約数の個数: 64

約数和(自身を含む): 156427200

約数和(自身を除く): 92386880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 320, 376, 470, 640, 752, 940, 1504, 1880, 2129, 3008, 3760, 4258, 6016, 7520, 8516, 10645, 15040, 17032, 21290, 30080, 34064, 42580, 68128, 85160, 100063, 136256, 170320, 200126, 272512, 340640, 400252, 500315, 681280, 800504, 1000630, 1362560, 1601008, 2001260, 3202016, 4002520, 6404032, 8005040, 12808064, 16010080, 32020160, 64040320]

約数ペア:

[(1, 64040320), (2, 32020160), (4, 16010080), (5, 12808064), (8, 8005040), (10, 6404032), (16, 4002520), (20, 3202016), (32, 2001260), (40, 1601008), (47, 1362560), (64, 1000630), (80, 800504), (94, 681280), (128, 500315), (160, 400252), (188, 340640), (235, 272512), (320, 200126), (376, 170320), (470, 136256), (640, 100063), (752, 85160), (940, 68128), (1504, 42580), (1880, 34064), (2129, 30080), (3008, 21290), (3760, 17032), (4258, 15040), (6016, 10645), (7520, 8516)]