2019746560

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{121379}}^1$

素因数の和:121413

約数の個数: 72

約数和(自身を含む): 5210115120

約数和(自身を除く): 3190368560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 16640, 121379, 242758, 485516, 606895, 971032, 1213790, 1577927, 1942064, 2427580, 3155854, 3884128, 4855160, 6311708, 7768256, 7889635, 9710320, 12623416, 15536512, 15779270, 19420640, 25246832, 31073024, 31558540, 38841280, 50493664, 63117080, 77682560, 100987328, 126234160, 155365120, 201974656, 252468320, 403949312, 504936640, 1009873280, 2019746560]

約数ペア:

[(1, 2019746560), (2, 1009873280), (4, 504936640), (5, 403949312), (8, 252468320), (10, 201974656), (13, 155365120), (16, 126234160), (20, 100987328), (26, 77682560), (32, 63117080), (40, 50493664), (52, 38841280), (64, 31558540), (65, 31073024), (80, 25246832), (104, 19420640), (128, 15779270), (130, 15536512), (160, 12623416), (208, 9710320), (256, 7889635), (260, 7768256), (320, 6311708), (416, 4855160), (520, 3884128), (640, 3155854), (832, 2427580), (1040, 1942064), (1280, 1577927), (1664, 1213790), (2080, 971032), (3328, 606895), (4160, 485516), (8320, 242758), (16640, 121379)]