12888560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5197}}^1$

素因数の和:5241

約数の個数: 40

約数和(自身を含む): 30938496

約数和(自身を除く): 18049936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 5197, 10394, 20788, 25985, 41576, 51970, 83152, 103940, 161107, 207880, 322214, 415760, 644428, 805535, 1288856, 1611070, 2577712, 3222140, 6444280, 12888560]

約数ペア:

[(1, 12888560), (2, 6444280), (4, 3222140), (5, 2577712), (8, 1611070), (10, 1288856), (16, 805535), (20, 644428), (31, 415760), (40, 322214), (62, 207880), (80, 161107), (124, 103940), (155, 83152), (248, 51970), (310, 41576), (496, 25985), (620, 20788), (1240, 10394), (2480, 5197)]