80919670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^2$

素因数の和:401

約数の個数: 48

約数和(自身を含む): 166032720

約数和(自身を除く): 85113050

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 181, 190, 247, 362, 494, 905, 1235, 1810, 2353, 2470, 3439, 4706, 6878, 11765, 17195, 23530, 32761, 34390, 44707, 65522, 89414, 163805, 223535, 327610, 425893, 447070, 622459, 851786, 1244918, 2129465, 3112295, 4258930, 6224590, 8091967, 16183934, 40459835, 80919670]

約数ペア:

[(1, 80919670), (2, 40459835), (5, 16183934), (10, 8091967), (13, 6224590), (19, 4258930), (26, 3112295), (38, 2129465), (65, 1244918), (95, 851786), (130, 622459), (181, 447070), (190, 425893), (247, 327610), (362, 223535), (494, 163805), (905, 89414), (1235, 65522), (1810, 44707), (2353, 34390), (2470, 32761), (3439, 23530), (4706, 17195), (6878, 11765)]