317440

素因数分解:

$2^{11}\times 5^1\times {\mathrm{31}}^1$

素因数の和:58

約数の個数: 48

約数和(自身を含む): 786240

約数和(自身を除く): 468800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1024, 1240, 1280, 1984, 2048, 2480, 2560, 3968, 4960, 5120, 7936, 9920, 10240, 15872, 19840, 31744, 39680, 63488, 79360, 158720, 317440]

約数ペア:

[(1, 317440), (2, 158720), (4, 79360), (5, 63488), (8, 39680), (10, 31744), (16, 19840), (20, 15872), (31, 10240), (32, 9920), (40, 7936), (62, 5120), (64, 4960), (80, 3968), (124, 2560), (128, 2480), (155, 2048), (160, 1984), (248, 1280), (256, 1240), (310, 1024), (320, 992), (496, 640), (512, 620)]