520069420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{48787}}^1$

素因数の和:48850

約数の個数: 48

約数和(自身を含む): 1204868448

約数和(自身を除く): 684799028

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 10660, 48787, 97574, 195148, 243935, 487870, 634231, 975740, 1268462, 2000267, 2536924, 3171155, 4000534, 6342310, 8001068, 10001335, 12684620, 20002670, 26003471, 40005340, 52006942, 104013884, 130017355, 260034710, 520069420]

約数ペア:

[(1, 520069420), (2, 260034710), (4, 130017355), (5, 104013884), (10, 52006942), (13, 40005340), (20, 26003471), (26, 20002670), (41, 12684620), (52, 10001335), (65, 8001068), (82, 6342310), (130, 4000534), (164, 3171155), (205, 2536924), (260, 2000267), (410, 1268462), (533, 975740), (820, 634231), (1066, 487870), (2132, 243935), (2665, 195148), (5330, 97574), (10660, 48787)]