2013156340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{19309}}^1$

素因数の和:19732

約数の個数: 48

約数和(自身を含む): 4564420560

約数和(自身を除く): 2551264220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 401, 802, 1604, 2005, 4010, 5213, 8020, 10426, 19309, 20852, 26065, 38618, 52130, 77236, 96545, 104260, 193090, 251017, 386180, 502034, 1004068, 1255085, 2510170, 5020340, 7742909, 15485818, 30971636, 38714545, 77429090, 100657817, 154858180, 201315634, 402631268, 503289085, 1006578170, 2013156340]

約数ペア:

[(1, 2013156340), (2, 1006578170), (4, 503289085), (5, 402631268), (10, 201315634), (13, 154858180), (20, 100657817), (26, 77429090), (52, 38714545), (65, 30971636), (130, 15485818), (260, 7742909), (401, 5020340), (802, 2510170), (1604, 1255085), (2005, 1004068), (4010, 502034), (5213, 386180), (8020, 251017), (10426, 193090), (19309, 104260), (20852, 96545), (26065, 77236), (38618, 52130)]