28751200

素因数分解:

$2^5\times 5^2\times {\mathrm{83}}^1\times {\mathrm{433}}^1$

素因数の和:536

約数の個数: 72

約数和(自身を含む): 71198568

約数和(自身を除く): 42447368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 83, 100, 160, 166, 200, 332, 400, 415, 433, 664, 800, 830, 866, 1328, 1660, 1732, 2075, 2165, 2656, 3320, 3464, 4150, 4330, 6640, 6928, 8300, 8660, 10825, 13280, 13856, 16600, 17320, 21650, 33200, 34640, 35939, 43300, 66400, 69280, 71878, 86600, 143756, 173200, 179695, 287512, 346400, 359390, 575024, 718780, 898475, 1150048, 1437560, 1796950, 2875120, 3593900, 5750240, 7187800, 14375600, 28751200]

約数ペア:

[(1, 28751200), (2, 14375600), (4, 7187800), (5, 5750240), (8, 3593900), (10, 2875120), (16, 1796950), (20, 1437560), (25, 1150048), (32, 898475), (40, 718780), (50, 575024), (80, 359390), (83, 346400), (100, 287512), (160, 179695), (166, 173200), (200, 143756), (332, 86600), (400, 71878), (415, 69280), (433, 66400), (664, 43300), (800, 35939), (830, 34640), (866, 33200), (1328, 21650), (1660, 17320), (1732, 16600), (2075, 13856), (2165, 13280), (2656, 10825), (3320, 8660), (3464, 8300), (4150, 6928), (4330, 6640)]