15646640

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1493}}^1$

素因数の和:1637

約数の個数: 40

約数和(自身を含む): 36680688

約数和(自身を除く): 21034048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 1493, 2096, 2620, 2986, 5240, 5972, 7465, 10480, 11944, 14930, 23888, 29860, 59720, 119440, 195583, 391166, 782332, 977915, 1564664, 1955830, 3129328, 3911660, 7823320, 15646640]

約数ペア:

[(1, 15646640), (2, 7823320), (4, 3911660), (5, 3129328), (8, 1955830), (10, 1564664), (16, 977915), (20, 782332), (40, 391166), (80, 195583), (131, 119440), (262, 59720), (524, 29860), (655, 23888), (1048, 14930), (1310, 11944), (1493, 10480), (2096, 7465), (2620, 5972), (2986, 5240)]