80890240

素因数分解:

$2^7\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1303}}^1$

素因数の和:1419

約数の個数: 64

約数和(自身を含む): 195521760

約数和(自身を除く): 114631520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 320, 388, 485, 640, 776, 970, 1303, 1552, 1940, 2606, 3104, 3880, 5212, 6208, 6515, 7760, 10424, 12416, 13030, 15520, 20848, 26060, 31040, 41696, 52120, 62080, 83392, 104240, 126391, 166784, 208480, 252782, 416960, 505564, 631955, 833920, 1011128, 1263910, 2022256, 2527820, 4044512, 5055640, 8089024, 10111280, 16178048, 20222560, 40445120, 80890240]

約数ペア:

[(1, 80890240), (2, 40445120), (4, 20222560), (5, 16178048), (8, 10111280), (10, 8089024), (16, 5055640), (20, 4044512), (32, 2527820), (40, 2022256), (64, 1263910), (80, 1011128), (97, 833920), (128, 631955), (160, 505564), (194, 416960), (320, 252782), (388, 208480), (485, 166784), (640, 126391), (776, 104240), (970, 83392), (1303, 62080), (1552, 52120), (1940, 41696), (2606, 31040), (3104, 26060), (3880, 20848), (5212, 15520), (6208, 13030), (6515, 12416), (7760, 10424)]