12401240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 29410560

約数和(自身を除く): 17009320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 73, 124, 137, 146, 155, 248, 274, 292, 310, 365, 548, 584, 620, 685, 730, 1096, 1240, 1370, 1460, 2263, 2740, 2920, 4247, 4526, 5480, 8494, 9052, 10001, 11315, 16988, 18104, 20002, 21235, 22630, 33976, 40004, 42470, 45260, 50005, 80008, 84940, 90520, 100010, 169880, 200020, 310031, 400040, 620062, 1240124, 1550155, 2480248, 3100310, 6200620, 12401240]

約数ペア:

[(1, 12401240), (2, 6200620), (4, 3100310), (5, 2480248), (8, 1550155), (10, 1240124), (20, 620062), (31, 400040), (40, 310031), (62, 200020), (73, 169880), (124, 100010), (137, 90520), (146, 84940), (155, 80008), (248, 50005), (274, 45260), (292, 42470), (310, 40004), (365, 33976), (548, 22630), (584, 21235), (620, 20002), (685, 18104), (730, 16988), (1096, 11315), (1240, 10001), (1370, 9052), (1460, 8494), (2263, 5480), (2740, 4526), (2920, 4247)]