25881920

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2789}}^1$

素因数の和:2835

約数の個数: 56

約数和(自身を含む): 63779400

約数和(自身を除く): 37897480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 464, 580, 928, 1160, 1856, 2320, 2789, 4640, 5578, 9280, 11156, 13945, 22312, 27890, 44624, 55780, 80881, 89248, 111560, 161762, 178496, 223120, 323524, 404405, 446240, 647048, 808810, 892480, 1294096, 1617620, 2588192, 3235240, 5176384, 6470480, 12940960, 25881920]

約数ペア:

[(1, 25881920), (2, 12940960), (4, 6470480), (5, 5176384), (8, 3235240), (10, 2588192), (16, 1617620), (20, 1294096), (29, 892480), (32, 808810), (40, 647048), (58, 446240), (64, 404405), (80, 323524), (116, 223120), (145, 178496), (160, 161762), (232, 111560), (290, 89248), (320, 80881), (464, 55780), (580, 44624), (928, 27890), (1160, 22312), (1856, 13945), (2320, 11156), (2789, 9280), (4640, 5578)]