28645600

素因数分解:

$2^5\times 5^2\times {\mathrm{61}}^1\times {\mathrm{587}}^1$

素因数の和:668

約数の個数: 72

約数和(自身を含む): 71198568

約数和(自身を除く): 42552968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 80, 100, 122, 160, 200, 244, 305, 400, 488, 587, 610, 800, 976, 1174, 1220, 1525, 1952, 2348, 2440, 2935, 3050, 4696, 4880, 5870, 6100, 9392, 9760, 11740, 12200, 14675, 18784, 23480, 24400, 29350, 35807, 46960, 48800, 58700, 71614, 93920, 117400, 143228, 179035, 234800, 286456, 358070, 469600, 572912, 716140, 895175, 1145824, 1432280, 1790350, 2864560, 3580700, 5729120, 7161400, 14322800, 28645600]

約数ペア:

[(1, 28645600), (2, 14322800), (4, 7161400), (5, 5729120), (8, 3580700), (10, 2864560), (16, 1790350), (20, 1432280), (25, 1145824), (32, 895175), (40, 716140), (50, 572912), (61, 469600), (80, 358070), (100, 286456), (122, 234800), (160, 179035), (200, 143228), (244, 117400), (305, 93920), (400, 71614), (488, 58700), (587, 48800), (610, 46960), (800, 35807), (976, 29350), (1174, 24400), (1220, 23480), (1525, 18784), (1952, 14675), (2348, 12200), (2440, 11740), (2935, 9760), (3050, 9392), (4696, 6100), (4880, 5870)]