25191820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{577}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 55349280

約数和(自身を除く): 30157460

約数列:

[1, 2, 4, 5, 10, 20, 37, 59, 74, 118, 148, 185, 236, 295, 370, 577, 590, 740, 1154, 1180, 2183, 2308, 2885, 4366, 5770, 8732, 10915, 11540, 21349, 21830, 34043, 42698, 43660, 68086, 85396, 106745, 136172, 170215, 213490, 340430, 426980, 680860, 1259591, 2519182, 5038364, 6297955, 12595910, 25191820]

約数ペア:

[(1, 25191820), (2, 12595910), (4, 6297955), (5, 5038364), (10, 2519182), (20, 1259591), (37, 680860), (59, 426980), (74, 340430), (118, 213490), (148, 170215), (185, 136172), (236, 106745), (295, 85396), (370, 68086), (577, 43660), (590, 42698), (740, 34043), (1154, 21830), (1180, 21349), (2183, 11540), (2308, 10915), (2885, 8732), (4366, 5770)]