29677720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12163}}^1$

素因数の和:12235

約数の個数: 32

約数和(自身を含む): 67875120

約数和(自身を除く): 38197400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 12163, 24326, 48652, 60815, 97304, 121630, 243260, 486520, 741943, 1483886, 2967772, 3709715, 5935544, 7419430, 14838860, 29677720]

約数ペア:

[(1, 29677720), (2, 14838860), (4, 7419430), (5, 5935544), (8, 3709715), (10, 2967772), (20, 1483886), (40, 741943), (61, 486520), (122, 243260), (244, 121630), (305, 97304), (488, 60815), (610, 48652), (1220, 24326), (2440, 12163)]