2542480

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:595

約数の個数: 40

約数和(自身を含む): 6019704

約数和(自身を除く): 3477224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 521, 610, 976, 1042, 1220, 2084, 2440, 2605, 4168, 4880, 5210, 8336, 10420, 20840, 31781, 41680, 63562, 127124, 158905, 254248, 317810, 508496, 635620, 1271240, 2542480]

約数ペア:

[(1, 2542480), (2, 1271240), (4, 635620), (5, 508496), (8, 317810), (10, 254248), (16, 158905), (20, 127124), (40, 63562), (61, 41680), (80, 31781), (122, 20840), (244, 10420), (305, 8336), (488, 5210), (521, 4880), (610, 4168), (976, 2605), (1042, 2440), (1220, 2084)]