55142800

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{4447}}^1$

素因数の和:4496

約数の個数: 60

約数和(自身を含む): 136784896

約数和(自身を除く): 81642096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 2480, 3100, 4447, 6200, 8894, 12400, 17788, 22235, 35576, 44470, 71152, 88940, 111175, 137857, 177880, 222350, 275714, 355760, 444700, 551428, 689285, 889400, 1102856, 1378570, 1778800, 2205712, 2757140, 3446425, 5514280, 6892850, 11028560, 13785700, 27571400, 55142800]

約数ペア:

[(1, 55142800), (2, 27571400), (4, 13785700), (5, 11028560), (8, 6892850), (10, 5514280), (16, 3446425), (20, 2757140), (25, 2205712), (31, 1778800), (40, 1378570), (50, 1102856), (62, 889400), (80, 689285), (100, 551428), (124, 444700), (155, 355760), (200, 275714), (248, 222350), (310, 177880), (400, 137857), (496, 111175), (620, 88940), (775, 71152), (1240, 44470), (1550, 35576), (2480, 22235), (3100, 17788), (4447, 12400), (6200, 8894)]