25448320

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2339}}^1$

素因数の和:2375

約数の個数: 64

約数和(自身を含む): 64443600

約数和(自身を除く): 38995280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2339, 2720, 4678, 5440, 9356, 10880, 11695, 18712, 23390, 37424, 39763, 46780, 74848, 79526, 93560, 149696, 159052, 187120, 198815, 299392, 318104, 374240, 397630, 636208, 748480, 795260, 1272416, 1496960, 1590520, 2544832, 3181040, 5089664, 6362080, 12724160, 25448320]

約数ペア:

[(1, 25448320), (2, 12724160), (4, 6362080), (5, 5089664), (8, 3181040), (10, 2544832), (16, 1590520), (17, 1496960), (20, 1272416), (32, 795260), (34, 748480), (40, 636208), (64, 397630), (68, 374240), (80, 318104), (85, 299392), (128, 198815), (136, 187120), (160, 159052), (170, 149696), (272, 93560), (320, 79526), (340, 74848), (544, 46780), (640, 39763), (680, 37424), (1088, 23390), (1360, 18712), (2176, 11695), (2339, 10880), (2720, 9356), (4678, 5440)]