17380640

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4723}}^1$

素因数の和:4761

約数の個数: 48

約数和(自身を含む): 42856128

約数和(自身を除く): 25475488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 4723, 9446, 18892, 23615, 37784, 47230, 75568, 94460, 108629, 151136, 188920, 217258, 377840, 434516, 543145, 755680, 869032, 1086290, 1738064, 2172580, 3476128, 4345160, 8690320, 17380640]

約数ペア:

[(1, 17380640), (2, 8690320), (4, 4345160), (5, 3476128), (8, 2172580), (10, 1738064), (16, 1086290), (20, 869032), (23, 755680), (32, 543145), (40, 434516), (46, 377840), (80, 217258), (92, 188920), (115, 151136), (160, 108629), (184, 94460), (230, 75568), (368, 47230), (460, 37784), (736, 23615), (920, 18892), (1840, 9446), (3680, 4723)]