129072760

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{44203}}^1$

素因数の和:44287

約数の個数: 32

約数和(自身を含む): 294398640

約数和(自身を除く): 165325880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 44203, 88406, 176812, 221015, 353624, 442030, 884060, 1768120, 3226819, 6453638, 12907276, 16134095, 25814552, 32268190, 64536380, 129072760]

約数ペア:

[(1, 129072760), (2, 64536380), (4, 32268190), (5, 25814552), (8, 16134095), (10, 12907276), (20, 6453638), (40, 3226819), (73, 1768120), (146, 884060), (292, 442030), (365, 353624), (584, 221015), (730, 176812), (1460, 88406), (2920, 44203)]