71007760

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{9973}}^1$

素因数の和:10075

約数の個数: 40

約数和(自身を含む): 166964760

約数和(自身を除く): 95957000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 9973, 19946, 39892, 49865, 79784, 99730, 159568, 199460, 398920, 797840, 887597, 1775194, 3550388, 4437985, 7100776, 8875970, 14201552, 17751940, 35503880, 71007760]

約数ペア:

[(1, 71007760), (2, 35503880), (4, 17751940), (5, 14201552), (8, 8875970), (10, 7100776), (16, 4437985), (20, 3550388), (40, 1775194), (80, 887597), (89, 797840), (178, 398920), (356, 199460), (445, 159568), (712, 99730), (890, 79784), (1424, 49865), (1780, 39892), (3560, 19946), (7120, 9973)]