18012800

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^1\times {\mathrm{433}}^1$

素因数の和:470

約数の個数: 96

約数和(自身を含む): 48030780

約数和(自身を除く): 30017980

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 260, 320, 325, 400, 416, 433, 520, 640, 650, 800, 832, 866, 1040, 1300, 1600, 1664, 1732, 2080, 2165, 2600, 3200, 3464, 4160, 4330, 5200, 5629, 6928, 8320, 8660, 10400, 10825, 11258, 13856, 17320, 20800, 21650, 22516, 27712, 28145, 34640, 41600, 43300, 45032, 55424, 56290, 69280, 86600, 90064, 112580, 138560, 140725, 173200, 180128, 225160, 277120, 281450, 346400, 360256, 450320, 562900, 692800, 720512, 900640, 1125800, 1385600, 1801280, 2251600, 3602560, 4503200, 9006400, 18012800]

約数ペア:

[(1, 18012800), (2, 9006400), (4, 4503200), (5, 3602560), (8, 2251600), (10, 1801280), (13, 1385600), (16, 1125800), (20, 900640), (25, 720512), (26, 692800), (32, 562900), (40, 450320), (50, 360256), (52, 346400), (64, 281450), (65, 277120), (80, 225160), (100, 180128), (104, 173200), (128, 140725), (130, 138560), (160, 112580), (200, 90064), (208, 86600), (260, 69280), (320, 56290), (325, 55424), (400, 45032), (416, 43300), (433, 41600), (520, 34640), (640, 28145), (650, 27712), (800, 22516), (832, 21650), (866, 20800), (1040, 17320), (1300, 13856), (1600, 11258), (1664, 10825), (1732, 10400), (2080, 8660), (2165, 8320), (2600, 6928), (3200, 5629), (3464, 5200), (4160, 4330)]