86816120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1321}}^1$

素因数の和:1416

約数の個数: 64

約数和(自身を含む): 205597440

約数和(自身を除く): 118781320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 155, 212, 248, 265, 310, 424, 530, 620, 1060, 1240, 1321, 1643, 2120, 2642, 3286, 5284, 6572, 6605, 8215, 10568, 13144, 13210, 16430, 26420, 32860, 40951, 52840, 65720, 70013, 81902, 140026, 163804, 204755, 280052, 327608, 350065, 409510, 560104, 700130, 819020, 1400260, 1638040, 2170403, 2800520, 4340806, 8681612, 10852015, 17363224, 21704030, 43408060, 86816120]

約数ペア:

[(1, 86816120), (2, 43408060), (4, 21704030), (5, 17363224), (8, 10852015), (10, 8681612), (20, 4340806), (31, 2800520), (40, 2170403), (53, 1638040), (62, 1400260), (106, 819020), (124, 700130), (155, 560104), (212, 409510), (248, 350065), (265, 327608), (310, 280052), (424, 204755), (530, 163804), (620, 140026), (1060, 81902), (1240, 70013), (1321, 65720), (1643, 52840), (2120, 40951), (2642, 32860), (3286, 26420), (5284, 16430), (6572, 13210), (6605, 13144), (8215, 10568)]