12888460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2609}}^1$

素因数の和:2650

約数の個数: 48

約数和(自身を含む): 30693600

約数和(自身を除く): 17805140

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 2609, 4940, 5218, 10436, 13045, 26090, 33917, 49571, 52180, 67834, 99142, 135668, 169585, 198284, 247855, 339170, 495710, 644423, 678340, 991420, 1288846, 2577692, 3222115, 6444230, 12888460]

約数ペア:

[(1, 12888460), (2, 6444230), (4, 3222115), (5, 2577692), (10, 1288846), (13, 991420), (19, 678340), (20, 644423), (26, 495710), (38, 339170), (52, 247855), (65, 198284), (76, 169585), (95, 135668), (130, 99142), (190, 67834), (247, 52180), (260, 49571), (380, 33917), (494, 26090), (988, 13045), (1235, 10436), (2470, 5218), (2609, 4940)]