2030320

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{619}}^1$

素因数の和:673

約数の個数: 40

約数和(自身を含む): 4843440

約数和(自身を除く): 2813120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 619, 656, 820, 1238, 1640, 2476, 3095, 3280, 4952, 6190, 9904, 12380, 24760, 25379, 49520, 50758, 101516, 126895, 203032, 253790, 406064, 507580, 1015160, 2030320]

約数ペア:

[(1, 2030320), (2, 1015160), (4, 507580), (5, 406064), (8, 253790), (10, 203032), (16, 126895), (20, 101516), (40, 50758), (41, 49520), (80, 25379), (82, 24760), (164, 12380), (205, 9904), (328, 6190), (410, 4952), (619, 3280), (656, 3095), (820, 2476), (1238, 1640)]