65913680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{117703}}^1$

素因数の和:117723

約数の個数: 40

約数和(自身を含む): 175143552

約数和(自身を除く): 109229872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 117703, 235406, 470812, 588515, 823921, 941624, 1177030, 1647842, 1883248, 2354060, 3295684, 4119605, 4708120, 6591368, 8239210, 9416240, 13182736, 16478420, 32956840, 65913680]

約数ペア:

[(1, 65913680), (2, 32956840), (4, 16478420), (5, 13182736), (7, 9416240), (8, 8239210), (10, 6591368), (14, 4708120), (16, 4119605), (20, 3295684), (28, 2354060), (35, 1883248), (40, 1647842), (56, 1177030), (70, 941624), (80, 823921), (112, 588515), (140, 470812), (280, 235406), (560, 117703)]