12897550

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:253

約数の個数: 48

約数和(自身を含む): 25391232

約数和(自身を除く): 12493682

約数列:

[1, 2, 5, 10, 25, 31, 50, 53, 62, 106, 155, 157, 265, 310, 314, 530, 775, 785, 1325, 1550, 1570, 1643, 2650, 3286, 3925, 4867, 7850, 8215, 8321, 9734, 16430, 16642, 24335, 41075, 41605, 48670, 82150, 83210, 121675, 208025, 243350, 257951, 416050, 515902, 1289755, 2579510, 6448775, 12897550]

約数ペア:

[(1, 12897550), (2, 6448775), (5, 2579510), (10, 1289755), (25, 515902), (31, 416050), (50, 257951), (53, 243350), (62, 208025), (106, 121675), (155, 83210), (157, 82150), (265, 48670), (310, 41605), (314, 41075), (530, 24335), (775, 16642), (785, 16430), (1325, 9734), (1550, 8321), (1570, 8215), (1643, 7850), (2650, 4867), (3286, 3925)]