164098720

素因数分解:

$2^5\times 5^1\times {\mathrm{503}}^1\times {\mathrm{2039}}^1$

素因数の和:2557

約数の個数: 48

約数和(自身を含む): 388644480

約数和(自身を除く): 224545760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 503, 1006, 2012, 2039, 2515, 4024, 4078, 5030, 8048, 8156, 10060, 10195, 16096, 16312, 20120, 20390, 32624, 40240, 40780, 65248, 80480, 81560, 163120, 326240, 1025617, 2051234, 4102468, 5128085, 8204936, 10256170, 16409872, 20512340, 32819744, 41024680, 82049360, 164098720]

約数ペア:

[(1, 164098720), (2, 82049360), (4, 41024680), (5, 32819744), (8, 20512340), (10, 16409872), (16, 10256170), (20, 8204936), (32, 5128085), (40, 4102468), (80, 2051234), (160, 1025617), (503, 326240), (1006, 163120), (2012, 81560), (2039, 80480), (2515, 65248), (4024, 40780), (4078, 40240), (5030, 32624), (8048, 20390), (8156, 20120), (10060, 16312), (10195, 16096)]