64020640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23537}}^1$

素因数の和:23569

約数の個数: 48

約数和(自身を含む): 160152552

約数和(自身を除く): 96131912

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 23537, 47074, 94148, 117685, 188296, 235370, 376592, 400129, 470740, 753184, 800258, 941480, 1600516, 1882960, 2000645, 3201032, 3765920, 4001290, 6402064, 8002580, 12804128, 16005160, 32010320, 64020640]

約数ペア:

[(1, 64020640), (2, 32010320), (4, 16005160), (5, 12804128), (8, 8002580), (10, 6402064), (16, 4001290), (17, 3765920), (20, 3201032), (32, 2000645), (34, 1882960), (40, 1600516), (68, 941480), (80, 800258), (85, 753184), (136, 470740), (160, 400129), (170, 376592), (272, 235370), (340, 188296), (544, 117685), (680, 94148), (1360, 47074), (2720, 23537)]