64890400

素因数分解:

$2^5\times 5^2\times {\mathrm{29}}^1\times {\mathrm{2797}}^1$

素因数の和:2846

約数の個数: 72

約数和(自身を含む): 163934820

約数和(自身を除く): 99044420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 80, 100, 116, 145, 160, 200, 232, 290, 400, 464, 580, 725, 800, 928, 1160, 1450, 2320, 2797, 2900, 4640, 5594, 5800, 11188, 11600, 13985, 22376, 23200, 27970, 44752, 55940, 69925, 81113, 89504, 111880, 139850, 162226, 223760, 279700, 324452, 405565, 447520, 559400, 648904, 811130, 1118800, 1297808, 1622260, 2027825, 2237600, 2595616, 3244520, 4055650, 6489040, 8111300, 12978080, 16222600, 32445200, 64890400]

約数ペア:

[(1, 64890400), (2, 32445200), (4, 16222600), (5, 12978080), (8, 8111300), (10, 6489040), (16, 4055650), (20, 3244520), (25, 2595616), (29, 2237600), (32, 2027825), (40, 1622260), (50, 1297808), (58, 1118800), (80, 811130), (100, 648904), (116, 559400), (145, 447520), (160, 405565), (200, 324452), (232, 279700), (290, 223760), (400, 162226), (464, 139850), (580, 111880), (725, 89504), (800, 81113), (928, 69925), (1160, 55940), (1450, 44752), (2320, 27970), (2797, 23200), (2900, 22376), (4640, 13985), (5594, 11600), (5800, 11188)]