80386720

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{853}}^1$

素因数の和:918

約数の個数: 96

約数和(自身を含む): 206599680

約数和(自身を除く): 126212960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 76, 80, 95, 124, 152, 155, 160, 190, 248, 304, 310, 380, 496, 589, 608, 620, 760, 853, 992, 1178, 1240, 1520, 1706, 2356, 2480, 2945, 3040, 3412, 4265, 4712, 4960, 5890, 6824, 8530, 9424, 11780, 13648, 16207, 17060, 18848, 23560, 26443, 27296, 32414, 34120, 47120, 52886, 64828, 68240, 81035, 94240, 105772, 129656, 132215, 136480, 162070, 211544, 259312, 264430, 324140, 423088, 502417, 518624, 528860, 648280, 846176, 1004834, 1057720, 1296560, 2009668, 2115440, 2512085, 2593120, 4019336, 4230880, 5024170, 8038672, 10048340, 16077344, 20096680, 40193360, 80386720]

約数ペア:

[(1, 80386720), (2, 40193360), (4, 20096680), (5, 16077344), (8, 10048340), (10, 8038672), (16, 5024170), (19, 4230880), (20, 4019336), (31, 2593120), (32, 2512085), (38, 2115440), (40, 2009668), (62, 1296560), (76, 1057720), (80, 1004834), (95, 846176), (124, 648280), (152, 528860), (155, 518624), (160, 502417), (190, 423088), (248, 324140), (304, 264430), (310, 259312), (380, 211544), (496, 162070), (589, 136480), (608, 132215), (620, 129656), (760, 105772), (853, 94240), (992, 81035), (1178, 68240), (1240, 64828), (1520, 52886), (1706, 47120), (2356, 34120), (2480, 32414), (2945, 27296), (3040, 26443), (3412, 23560), (4265, 18848), (4712, 17060), (4960, 16207), (5890, 13648), (6824, 11780), (8530, 9424)]