16974080

素因数分解:

$2^8\times 5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 41391000

約数和(自身を除く): 24416920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 149, 160, 178, 256, 298, 320, 356, 445, 596, 640, 712, 745, 890, 1192, 1280, 1424, 1490, 1780, 2384, 2848, 2980, 3560, 4768, 5696, 5960, 7120, 9536, 11392, 11920, 13261, 14240, 19072, 22784, 23840, 26522, 28480, 38144, 47680, 53044, 56960, 66305, 95360, 106088, 113920, 132610, 190720, 212176, 265220, 424352, 530440, 848704, 1060880, 1697408, 2121760, 3394816, 4243520, 8487040, 16974080]

約数ペア:

[(1, 16974080), (2, 8487040), (4, 4243520), (5, 3394816), (8, 2121760), (10, 1697408), (16, 1060880), (20, 848704), (32, 530440), (40, 424352), (64, 265220), (80, 212176), (89, 190720), (128, 132610), (149, 113920), (160, 106088), (178, 95360), (256, 66305), (298, 56960), (320, 53044), (356, 47680), (445, 38144), (596, 28480), (640, 26522), (712, 23840), (745, 22784), (890, 19072), (1192, 14240), (1280, 13261), (1424, 11920), (1490, 11392), (1780, 9536), (2384, 7120), (2848, 5960), (2980, 5696), (3560, 4768)]