20180632928

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{41189}}^1$

素因数の和:41511

約数の個数: 48

約数和(自身を含む): 40543811280

約数和(自身を除く): 20363178352

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 251, 488, 502, 976, 1004, 1952, 2008, 4016, 8032, 15311, 30622, 41189, 61244, 82378, 122488, 164756, 244976, 329512, 489952, 659024, 1318048, 2512529, 5025058, 10050116, 10338439, 20100232, 20676878, 40200464, 41353756, 80400928, 82707512, 165415024, 330830048, 630644779, 1261289558, 2522579116, 5045158232, 10090316464, 20180632928]

約数ペア:

[(1, 20180632928), (2, 10090316464), (4, 5045158232), (8, 2522579116), (16, 1261289558), (32, 630644779), (61, 330830048), (122, 165415024), (244, 82707512), (251, 80400928), (488, 41353756), (502, 40200464), (976, 20676878), (1004, 20100232), (1952, 10338439), (2008, 10050116), (4016, 5025058), (8032, 2512529), (15311, 1318048), (30622, 659024), (41189, 489952), (61244, 329512), (82378, 244976), (122488, 164756)]