13201040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5323}}^1$

素因数の和:5367

約数の個数: 40

約数和(自身を含む): 31688448

約数和(自身を除く): 18487408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 5323, 10646, 21292, 26615, 42584, 53230, 85168, 106460, 165013, 212920, 330026, 425840, 660052, 825065, 1320104, 1650130, 2640208, 3300260, 6600520, 13201040]

約数ペア:

[(1, 13201040), (2, 6600520), (4, 3300260), (5, 2640208), (8, 1650130), (10, 1320104), (16, 825065), (20, 660052), (31, 425840), (40, 330026), (62, 212920), (80, 165013), (124, 106460), (155, 85168), (248, 53230), (310, 42584), (496, 26615), (620, 21292), (1240, 10646), (2480, 5323)]