80071760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:516

約数の個数: 80

約数和(自身を含む): 194987520

約数和(自身を除く): 114915760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 83, 124, 155, 166, 248, 310, 332, 389, 415, 496, 620, 664, 778, 830, 1240, 1328, 1556, 1660, 1945, 2480, 2573, 3112, 3320, 3890, 5146, 6224, 6640, 7780, 10292, 12059, 12865, 15560, 20584, 24118, 25730, 31120, 32287, 41168, 48236, 51460, 60295, 64574, 96472, 102920, 120590, 129148, 161435, 192944, 205840, 241180, 258296, 322870, 482360, 516592, 645740, 964720, 1000897, 1291480, 2001794, 2582960, 4003588, 5004485, 8007176, 10008970, 16014352, 20017940, 40035880, 80071760]

約数ペア:

[(1, 80071760), (2, 40035880), (4, 20017940), (5, 16014352), (8, 10008970), (10, 8007176), (16, 5004485), (20, 4003588), (31, 2582960), (40, 2001794), (62, 1291480), (80, 1000897), (83, 964720), (124, 645740), (155, 516592), (166, 482360), (248, 322870), (310, 258296), (332, 241180), (389, 205840), (415, 192944), (496, 161435), (620, 129148), (664, 120590), (778, 102920), (830, 96472), (1240, 64574), (1328, 60295), (1556, 51460), (1660, 48236), (1945, 41168), (2480, 32287), (2573, 31120), (3112, 25730), (3320, 24118), (3890, 20584), (5146, 15560), (6224, 12865), (6640, 12059), (7780, 10292)]