25278380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{307}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 55883520

約数和(自身を除く): 30605140

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 179, 230, 307, 358, 460, 614, 716, 895, 1228, 1535, 1790, 3070, 3580, 4117, 6140, 7061, 8234, 14122, 16468, 20585, 28244, 35305, 41170, 54953, 70610, 82340, 109906, 141220, 219812, 274765, 549530, 1099060, 1263919, 2527838, 5055676, 6319595, 12639190, 25278380]

約数ペア:

[(1, 25278380), (2, 12639190), (4, 6319595), (5, 5055676), (10, 2527838), (20, 1263919), (23, 1099060), (46, 549530), (92, 274765), (115, 219812), (179, 141220), (230, 109906), (307, 82340), (358, 70610), (460, 54953), (614, 41170), (716, 35305), (895, 28244), (1228, 20585), (1535, 16468), (1790, 14122), (3070, 8234), (3580, 7061), (4117, 6140)]