1088590240

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{400217}}^1$

素因数の和:400249

約数の個数: 48

約数和(自身を含む): 2723083272

約数和(自身を除く): 1634493032

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 400217, 800434, 1600868, 2001085, 3201736, 4002170, 6403472, 6803689, 8004340, 12806944, 13607378, 16008680, 27214756, 32017360, 34018445, 54429512, 64034720, 68036890, 108859024, 136073780, 217718048, 272147560, 544295120, 1088590240]

約数ペア:

[(1, 1088590240), (2, 544295120), (4, 272147560), (5, 217718048), (8, 136073780), (10, 108859024), (16, 68036890), (17, 64034720), (20, 54429512), (32, 34018445), (34, 32017360), (40, 27214756), (68, 16008680), (80, 13607378), (85, 12806944), (136, 8004340), (160, 6803689), (170, 6403472), (272, 4002170), (340, 3201736), (544, 2001085), (680, 1600868), (1360, 800434), (2720, 400217)]