66317860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{739}}^1$

素因数の和:1396

約数の個数: 48

約数和(自身を含む): 159626880

約数和(自身を除く): 93309020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 641, 739, 1282, 1478, 2564, 2956, 3205, 3695, 4487, 5173, 6410, 7390, 8974, 10346, 12820, 14780, 17948, 20692, 22435, 25865, 44870, 51730, 89740, 103460, 473699, 947398, 1894796, 2368495, 3315893, 4736990, 6631786, 9473980, 13263572, 16579465, 33158930, 66317860]

約数ペア:

[(1, 66317860), (2, 33158930), (4, 16579465), (5, 13263572), (7, 9473980), (10, 6631786), (14, 4736990), (20, 3315893), (28, 2368495), (35, 1894796), (70, 947398), (140, 473699), (641, 103460), (739, 89740), (1282, 51730), (1478, 44870), (2564, 25865), (2956, 22435), (3205, 20692), (3695, 17948), (4487, 14780), (5173, 12820), (6410, 10346), (7390, 8974)]