30640090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7603}}^1$

素因数の和:7654

約数の個数: 32

約数和(自身を含む): 61318656

約数和(自身を除く): 30678566

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 7603, 15206, 38015, 76030, 98839, 197678, 235693, 471386, 494195, 988390, 1178465, 2356930, 3064009, 6128018, 15320045, 30640090]

約数ペア:

[(1, 30640090), (2, 15320045), (5, 6128018), (10, 3064009), (13, 2356930), (26, 1178465), (31, 988390), (62, 494195), (65, 471386), (130, 235693), (155, 197678), (310, 98839), (403, 76030), (806, 38015), (2015, 15206), (4030, 7603)]