2471720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1013}}^1$

素因数の和:1085

約数の個数: 32

約数和(自身を含む): 5658120

約数和(自身を除く): 3186400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1013, 1220, 2026, 2440, 4052, 5065, 8104, 10130, 20260, 40520, 61793, 123586, 247172, 308965, 494344, 617930, 1235860, 2471720]

約数ペア:

[(1, 2471720), (2, 1235860), (4, 617930), (5, 494344), (8, 308965), (10, 247172), (20, 123586), (40, 61793), (61, 40520), (122, 20260), (244, 10130), (305, 8104), (488, 5065), (610, 4052), (1013, 2440), (1220, 2026)]