1629491200

素因数分解:

$2^{12}\times 5^2\times {\mathrm{15913}}^1$

素因数の和:15947

約数の個数: 78

約数和(自身を含む): 4040898794

約数和(自身を除く): 2411407594

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 2048, 2560, 3200, 4096, 5120, 6400, 10240, 12800, 15913, 20480, 25600, 31826, 51200, 63652, 79565, 102400, 127304, 159130, 254608, 318260, 397825, 509216, 636520, 795650, 1018432, 1273040, 1591300, 2036864, 2546080, 3182600, 4073728, 5092160, 6365200, 8147456, 10184320, 12730400, 16294912, 20368640, 25460800, 32589824, 40737280, 50921600, 65179648, 81474560, 101843200, 162949120, 203686400, 325898240, 407372800, 814745600, 1629491200]

約数ペア:

[(1, 1629491200), (2, 814745600), (4, 407372800), (5, 325898240), (8, 203686400), (10, 162949120), (16, 101843200), (20, 81474560), (25, 65179648), (32, 50921600), (40, 40737280), (50, 32589824), (64, 25460800), (80, 20368640), (100, 16294912), (128, 12730400), (160, 10184320), (200, 8147456), (256, 6365200), (320, 5092160), (400, 4073728), (512, 3182600), (640, 2546080), (800, 2036864), (1024, 1591300), (1280, 1273040), (1600, 1018432), (2048, 795650), (2560, 636520), (3200, 509216), (4096, 397825), (5120, 318260), (6400, 254608), (10240, 159130), (12800, 127304), (15913, 102400), (20480, 79565), (25600, 63652), (31826, 51200)]