78532480

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9439}}^1$

素因数の和:9471

約数の個数: 64

約数和(自身を含む): 202204800

約数和(自身を除く): 123672320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 9439, 18878, 37756, 47195, 75512, 94390, 122707, 151024, 188780, 245414, 302048, 377560, 490828, 604096, 613535, 755120, 981656, 1208192, 1227070, 1510240, 1963312, 2454140, 3020480, 3926624, 4908280, 6040960, 7853248, 9816560, 15706496, 19633120, 39266240, 78532480]

約数ペア:

[(1, 78532480), (2, 39266240), (4, 19633120), (5, 15706496), (8, 9816560), (10, 7853248), (13, 6040960), (16, 4908280), (20, 3926624), (26, 3020480), (32, 2454140), (40, 1963312), (52, 1510240), (64, 1227070), (65, 1208192), (80, 981656), (104, 755120), (128, 613535), (130, 604096), (160, 490828), (208, 377560), (260, 302048), (320, 245414), (416, 188780), (520, 151024), (640, 122707), (832, 94390), (1040, 75512), (1664, 47195), (2080, 37756), (4160, 18878), (8320, 9439)]