2021765440

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{203807}}^1$

素因数の和:203855

約数の個数: 56

約数和(自身を含む): 4969654272

約数和(自身を除く): 2947888832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 203807, 407614, 815228, 1019035, 1630456, 2038070, 3260912, 4076140, 6318017, 6521824, 8152280, 12636034, 13043648, 16304560, 25272068, 31590085, 32609120, 50544136, 63180170, 65218240, 101088272, 126360340, 202176544, 252720680, 404353088, 505441360, 1010882720, 2021765440]

約数ペア:

[(1, 2021765440), (2, 1010882720), (4, 505441360), (5, 404353088), (8, 252720680), (10, 202176544), (16, 126360340), (20, 101088272), (31, 65218240), (32, 63180170), (40, 50544136), (62, 32609120), (64, 31590085), (80, 25272068), (124, 16304560), (155, 13043648), (160, 12636034), (248, 8152280), (310, 6521824), (320, 6318017), (496, 4076140), (620, 3260912), (992, 2038070), (1240, 1630456), (1984, 1019035), (2480, 815228), (4960, 407614), (9920, 203807)]