158720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1$

素因数の和:56

約数の個数: 44

約数和(自身を含む): 393024

約数和(自身を除く): 234304

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, 2480, 2560, 3968, 4960, 5120, 7936, 9920, 15872, 19840, 31744, 39680, 79360, 158720]

約数ペア:

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