1661529920

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{126641}}^1$

素因数の和:126699

約数の個数: 56

約数和(自身を含む): 4053050568

約数和(自身を除く): 2391520648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 2624, 3280, 6560, 13120, 126641, 253282, 506564, 633205, 1013128, 1266410, 2026256, 2532820, 4052512, 5065640, 5192281, 8105024, 10131280, 10384562, 20262560, 20769124, 25961405, 40525120, 41538248, 51922810, 83076496, 103845620, 166152992, 207691240, 332305984, 415382480, 830764960, 1661529920]

約数ペア:

[(1, 1661529920), (2, 830764960), (4, 415382480), (5, 332305984), (8, 207691240), (10, 166152992), (16, 103845620), (20, 83076496), (32, 51922810), (40, 41538248), (41, 40525120), (64, 25961405), (80, 20769124), (82, 20262560), (160, 10384562), (164, 10131280), (205, 8105024), (320, 5192281), (328, 5065640), (410, 4052512), (656, 2532820), (820, 2026256), (1312, 1266410), (1640, 1013128), (2624, 633205), (3280, 506564), (6560, 253282), (13120, 126641)]