8017840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:158

約数の個数: 80

約数和(自身を含む): 19927296

約数和(自身を除く): 11909456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 53, 61, 62, 80, 106, 122, 124, 155, 212, 244, 248, 265, 305, 310, 424, 488, 496, 530, 610, 620, 848, 976, 1060, 1220, 1240, 1643, 1891, 2120, 2440, 2480, 3233, 3286, 3782, 4240, 4880, 6466, 6572, 7564, 8215, 9455, 12932, 13144, 15128, 16165, 16430, 18910, 25864, 26288, 30256, 32330, 32860, 37820, 51728, 64660, 65720, 75640, 100223, 129320, 131440, 151280, 200446, 258640, 400892, 501115, 801784, 1002230, 1603568, 2004460, 4008920, 8017840]

約数ペア:

[(1, 8017840), (2, 4008920), (4, 2004460), (5, 1603568), (8, 1002230), (10, 801784), (16, 501115), (20, 400892), (31, 258640), (40, 200446), (53, 151280), (61, 131440), (62, 129320), (80, 100223), (106, 75640), (122, 65720), (124, 64660), (155, 51728), (212, 37820), (244, 32860), (248, 32330), (265, 30256), (305, 26288), (310, 25864), (424, 18910), (488, 16430), (496, 16165), (530, 15128), (610, 13144), (620, 12932), (848, 9455), (976, 8215), (1060, 7564), (1220, 6572), (1240, 6466), (1643, 4880), (1891, 4240), (2120, 3782), (2440, 3286), (2480, 3233)]