4245760

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 10596096

約数和(自身を除く): 6350336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 107, 124, 128, 155, 160, 214, 248, 256, 310, 320, 428, 496, 535, 620, 640, 856, 992, 1070, 1240, 1280, 1712, 1984, 2140, 2480, 3317, 3424, 3968, 4280, 4960, 6634, 6848, 7936, 8560, 9920, 13268, 13696, 16585, 17120, 19840, 26536, 27392, 33170, 34240, 39680, 53072, 66340, 68480, 106144, 132680, 136960, 212288, 265360, 424576, 530720, 849152, 1061440, 2122880, 4245760]

約数ペア:

[(1, 4245760), (2, 2122880), (4, 1061440), (5, 849152), (8, 530720), (10, 424576), (16, 265360), (20, 212288), (31, 136960), (32, 132680), (40, 106144), (62, 68480), (64, 66340), (80, 53072), (107, 39680), (124, 34240), (128, 33170), (155, 27392), (160, 26536), (214, 19840), (248, 17120), (256, 16585), (310, 13696), (320, 13268), (428, 9920), (496, 8560), (535, 7936), (620, 6848), (640, 6634), (856, 4960), (992, 4280), (1070, 3968), (1240, 3424), (1280, 3317), (1712, 2480), (1984, 2140)]