2054480

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:495

約数の個数: 40

約数和(自身を含む): 4866504

約数和(自身を除く): 2812024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 421, 488, 610, 842, 976, 1220, 1684, 2105, 2440, 3368, 4210, 4880, 6736, 8420, 16840, 25681, 33680, 51362, 102724, 128405, 205448, 256810, 410896, 513620, 1027240, 2054480]

約数ペア:

[(1, 2054480), (2, 1027240), (4, 513620), (5, 410896), (8, 256810), (10, 205448), (16, 128405), (20, 102724), (40, 51362), (61, 33680), (80, 25681), (122, 16840), (244, 8420), (305, 6736), (421, 4880), (488, 4210), (610, 3368), (842, 2440), (976, 2105), (1220, 1684)]