20233968125

素因数分解:

$5^4\times 7^2\times {\mathrm{463}}^1\times {\mathrm{1427}}^1$

素因数の和:1924

約数の個数: 60

約数和(自身を含む): 29496608064

約数和(自身を除く): 9262639939

約数列:

[1, 5, 7, 25, 35, 49, 125, 175, 245, 463, 625, 875, 1225, 1427, 2315, 3241, 4375, 6125, 7135, 9989, 11575, 16205, 22687, 30625, 35675, 49945, 57875, 69923, 81025, 113435, 178375, 249725, 289375, 349615, 405125, 567175, 660701, 891875, 1248625, 1748075, 2025625, 2835875, 3303505, 4624907, 6243125, 8740375, 14179375, 16517525, 23124535, 32374349, 43701875, 82587625, 115622675, 161871745, 412938125, 578113375, 809358725, 2890566875, 4046793625, 20233968125]

約数ペア:

[(1, 20233968125), (5, 4046793625), (7, 2890566875), (25, 809358725), (35, 578113375), (49, 412938125), (125, 161871745), (175, 115622675), (245, 82587625), (463, 43701875), (625, 32374349), (875, 23124535), (1225, 16517525), (1427, 14179375), (2315, 8740375), (3241, 6243125), (4375, 4624907), (6125, 3303505), (7135, 2835875), (9989, 2025625), (11575, 1748075), (16205, 1248625), (22687, 891875), (30625, 660701), (35675, 567175), (49945, 405125), (57875, 349615), (69923, 289375), (81025, 249725), (113435, 178375)]