22161280

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1117}}^1$

素因数の和:1167

約数の個数: 64

約数和(自身を含む): 54737280

約数和(自身を除く): 32576000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1117, 1240, 1984, 2234, 2480, 3968, 4468, 4960, 5585, 8936, 9920, 11170, 17872, 19840, 22340, 34627, 35744, 44680, 69254, 71488, 89360, 138508, 142976, 173135, 178720, 277016, 346270, 357440, 554032, 692540, 714880, 1108064, 1385080, 2216128, 2770160, 4432256, 5540320, 11080640, 22161280]

約数ペア:

[(1, 22161280), (2, 11080640), (4, 5540320), (5, 4432256), (8, 2770160), (10, 2216128), (16, 1385080), (20, 1108064), (31, 714880), (32, 692540), (40, 554032), (62, 357440), (64, 346270), (80, 277016), (124, 178720), (128, 173135), (155, 142976), (160, 138508), (248, 89360), (310, 71488), (320, 69254), (496, 44680), (620, 35744), (640, 34627), (992, 22340), (1117, 19840), (1240, 17872), (1984, 11170), (2234, 9920), (2480, 8936), (3968, 5585), (4468, 4960)]