2573980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 5743584

約数和(自身を除く): 3169604

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 73, 82, 86, 146, 164, 172, 205, 215, 292, 365, 410, 430, 730, 820, 860, 1460, 1763, 2993, 3139, 3526, 5986, 6278, 7052, 8815, 11972, 12556, 14965, 15695, 17630, 29930, 31390, 35260, 59860, 62780, 128699, 257398, 514796, 643495, 1286990, 2573980]

約数ペア:

[(1, 2573980), (2, 1286990), (4, 643495), (5, 514796), (10, 257398), (20, 128699), (41, 62780), (43, 59860), (73, 35260), (82, 31390), (86, 29930), (146, 17630), (164, 15695), (172, 14965), (205, 12556), (215, 11972), (292, 8815), (365, 7052), (410, 6278), (430, 5986), (730, 3526), (820, 3139), (860, 2993), (1460, 1763)]