40679440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:440

約数の個数: 80

約数和(自身を含む): 99993600

約数和(自身を除く): 59314160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 47, 62, 80, 94, 124, 155, 188, 235, 248, 310, 349, 376, 470, 496, 620, 698, 752, 940, 1240, 1396, 1457, 1745, 1880, 2480, 2792, 2914, 3490, 3760, 5584, 5828, 6980, 7285, 10819, 11656, 13960, 14570, 16403, 21638, 23312, 27920, 29140, 32806, 43276, 54095, 58280, 65612, 82015, 86552, 108190, 116560, 131224, 164030, 173104, 216380, 262448, 328060, 432760, 508493, 656120, 865520, 1016986, 1312240, 2033972, 2542465, 4067944, 5084930, 8135888, 10169860, 20339720, 40679440]

約数ペア:

[(1, 40679440), (2, 20339720), (4, 10169860), (5, 8135888), (8, 5084930), (10, 4067944), (16, 2542465), (20, 2033972), (31, 1312240), (40, 1016986), (47, 865520), (62, 656120), (80, 508493), (94, 432760), (124, 328060), (155, 262448), (188, 216380), (235, 173104), (248, 164030), (310, 131224), (349, 116560), (376, 108190), (470, 86552), (496, 82015), (620, 65612), (698, 58280), (752, 54095), (940, 43276), (1240, 32806), (1396, 29140), (1457, 27920), (1745, 23312), (1880, 21638), (2480, 16403), (2792, 14570), (2914, 13960), (3490, 11656), (3760, 10819), (5584, 7285), (5828, 6980)]