28551680

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{587}}^1$

素因数の和:629

約数の個数: 80

約数和(自身を含む): 72182880

約数和(自身を除く): 43631200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 587, 608, 640, 760, 1174, 1216, 1280, 1520, 2348, 2432, 2560, 2935, 3040, 4696, 4864, 5870, 6080, 9392, 9728, 11153, 11740, 12160, 18784, 22306, 23480, 24320, 37568, 44612, 46960, 48640, 55765, 75136, 89224, 93920, 111530, 150272, 178448, 187840, 223060, 300544, 356896, 375680, 446120, 713792, 751360, 892240, 1427584, 1502720, 1784480, 2855168, 3568960, 5710336, 7137920, 14275840, 28551680]

約数ペア:

[(1, 28551680), (2, 14275840), (4, 7137920), (5, 5710336), (8, 3568960), (10, 2855168), (16, 1784480), (19, 1502720), (20, 1427584), (32, 892240), (38, 751360), (40, 713792), (64, 446120), (76, 375680), (80, 356896), (95, 300544), (128, 223060), (152, 187840), (160, 178448), (190, 150272), (256, 111530), (304, 93920), (320, 89224), (380, 75136), (512, 55765), (587, 48640), (608, 46960), (640, 44612), (760, 37568), (1174, 24320), (1216, 23480), (1280, 22306), (1520, 18784), (2348, 12160), (2432, 11740), (2560, 11153), (2935, 9728), (3040, 9392), (4696, 6080), (4864, 5870)]