104080000

素因数分解:

$2^7\times 5^4\times {\mathrm{1301}}^1$

素因数の和:1335

約数の個数: 80

約数和(自身を含む): 259299810

約数和(自身を除く): 155219810

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 625, 640, 800, 1000, 1250, 1301, 1600, 2000, 2500, 2602, 3200, 4000, 5000, 5204, 6505, 8000, 10000, 10408, 13010, 16000, 20000, 20816, 26020, 32525, 40000, 41632, 52040, 65050, 80000, 83264, 104080, 130100, 162625, 166528, 208160, 260200, 325250, 416320, 520400, 650500, 813125, 832640, 1040800, 1301000, 1626250, 2081600, 2602000, 3252500, 4163200, 5204000, 6505000, 10408000, 13010000, 20816000, 26020000, 52040000, 104080000]

約数ペア:

[(1, 104080000), (2, 52040000), (4, 26020000), (5, 20816000), (8, 13010000), (10, 10408000), (16, 6505000), (20, 5204000), (25, 4163200), (32, 3252500), (40, 2602000), (50, 2081600), (64, 1626250), (80, 1301000), (100, 1040800), (125, 832640), (128, 813125), (160, 650500), (200, 520400), (250, 416320), (320, 325250), (400, 260200), (500, 208160), (625, 166528), (640, 162625), (800, 130100), (1000, 104080), (1250, 83264), (1301, 80000), (1600, 65050), (2000, 52040), (2500, 41632), (2602, 40000), (3200, 32525), (4000, 26020), (5000, 20816), (5204, 20000), (6505, 16000), (8000, 13010), (10000, 10408)]