64704860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{7949}}^1$

素因数の和:8006

約数の個数: 48

約数和(自身を含む): 152258400

約数和(自身を除く): 87553540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 4070, 7949, 8140, 15898, 31796, 39745, 79490, 87439, 158980, 174878, 294113, 349756, 437195, 588226, 874390, 1176452, 1470565, 1748780, 2941130, 3235243, 5882260, 6470486, 12940972, 16176215, 32352430, 64704860]

約数ペア:

[(1, 64704860), (2, 32352430), (4, 16176215), (5, 12940972), (10, 6470486), (11, 5882260), (20, 3235243), (22, 2941130), (37, 1748780), (44, 1470565), (55, 1176452), (74, 874390), (110, 588226), (148, 437195), (185, 349756), (220, 294113), (370, 174878), (407, 158980), (740, 87439), (814, 79490), (1628, 39745), (2035, 31796), (4070, 15898), (7949, 8140)]