12836480

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:697

約数の個数: 64

約数和(自身を含む): 31726080

約数和(自身を除く): 18889600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 647, 992, 1240, 1294, 1984, 2480, 2588, 3235, 3968, 4960, 5176, 6470, 9920, 10352, 12940, 19840, 20057, 20704, 25880, 40114, 41408, 51760, 80228, 82816, 100285, 103520, 160456, 200570, 207040, 320912, 401140, 414080, 641824, 802280, 1283648, 1604560, 2567296, 3209120, 6418240, 12836480]

約数ペア:

[(1, 12836480), (2, 6418240), (4, 3209120), (5, 2567296), (8, 1604560), (10, 1283648), (16, 802280), (20, 641824), (31, 414080), (32, 401140), (40, 320912), (62, 207040), (64, 200570), (80, 160456), (124, 103520), (128, 100285), (155, 82816), (160, 80228), (248, 51760), (310, 41408), (320, 40114), (496, 25880), (620, 20704), (640, 20057), (647, 19840), (992, 12940), (1240, 10352), (1294, 9920), (1984, 6470), (2480, 5176), (2588, 4960), (3235, 3968)]