12519820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1601}}^1$

素因数の和:1650

約数の個数: 48

約数和(自身を含む): 29066688

約数和(自身を除く): 16546868

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1601, 1955, 3202, 3910, 6404, 7820, 8005, 16010, 27217, 32020, 36823, 54434, 73646, 108868, 136085, 147292, 184115, 272170, 368230, 544340, 625991, 736460, 1251982, 2503964, 3129955, 6259910, 12519820]

約数ペア:

[(1, 12519820), (2, 6259910), (4, 3129955), (5, 2503964), (10, 1251982), (17, 736460), (20, 625991), (23, 544340), (34, 368230), (46, 272170), (68, 184115), (85, 147292), (92, 136085), (115, 108868), (170, 73646), (230, 54434), (340, 36823), (391, 32020), (460, 27217), (782, 16010), (1564, 8005), (1601, 7820), (1955, 6404), (3202, 3910)]