85697680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1033}}^1$

素因数の和:1124

約数の個数: 80

約数和(自身を含む): 214633584

約数和(自身を除く): 128935904

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 61, 68, 80, 85, 122, 136, 170, 244, 272, 305, 340, 488, 610, 680, 976, 1033, 1037, 1220, 1360, 2066, 2074, 2440, 4132, 4148, 4880, 5165, 5185, 8264, 8296, 10330, 10370, 16528, 16592, 17561, 20660, 20740, 35122, 41320, 41480, 63013, 70244, 82640, 82960, 87805, 126026, 140488, 175610, 252052, 280976, 315065, 351220, 504104, 630130, 702440, 1008208, 1071221, 1260260, 1404880, 2142442, 2520520, 4284884, 5041040, 5356105, 8569768, 10712210, 17139536, 21424420, 42848840, 85697680]

約数ペア:

[(1, 85697680), (2, 42848840), (4, 21424420), (5, 17139536), (8, 10712210), (10, 8569768), (16, 5356105), (17, 5041040), (20, 4284884), (34, 2520520), (40, 2142442), (61, 1404880), (68, 1260260), (80, 1071221), (85, 1008208), (122, 702440), (136, 630130), (170, 504104), (244, 351220), (272, 315065), (305, 280976), (340, 252052), (488, 175610), (610, 140488), (680, 126026), (976, 87805), (1033, 82960), (1037, 82640), (1220, 70244), (1360, 63013), (2066, 41480), (2074, 41320), (2440, 35122), (4132, 20740), (4148, 20660), (4880, 17561), (5165, 16592), (5185, 16528), (8264, 10370), (8296, 10330)]