4243520

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:255

約数の個数: 56

約数和(自身を含む): 10287000

約数和(自身を除く): 6043480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 149, 160, 178, 298, 320, 356, 445, 596, 712, 745, 890, 1192, 1424, 1490, 1780, 2384, 2848, 2980, 3560, 4768, 5696, 5960, 7120, 9536, 11920, 13261, 14240, 23840, 26522, 28480, 47680, 53044, 66305, 106088, 132610, 212176, 265220, 424352, 530440, 848704, 1060880, 2121760, 4243520]

約数ペア:

[(1, 4243520), (2, 2121760), (4, 1060880), (5, 848704), (8, 530440), (10, 424352), (16, 265220), (20, 212176), (32, 132610), (40, 106088), (64, 66305), (80, 53044), (89, 47680), (149, 28480), (160, 26522), (178, 23840), (298, 14240), (320, 13261), (356, 11920), (445, 9536), (596, 7120), (712, 5960), (745, 5696), (890, 4768), (1192, 3560), (1424, 2980), (1490, 2848), (1780, 2384)]