13388180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{233}}^1$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 32373432

約数和(自身を除く): 18985252

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 169, 170, 221, 233, 260, 338, 340, 442, 466, 676, 845, 884, 932, 1105, 1165, 1690, 2210, 2330, 2873, 3029, 3380, 3961, 4420, 4660, 5746, 6058, 7922, 11492, 12116, 14365, 15145, 15844, 19805, 28730, 30290, 39377, 39610, 51493, 57460, 60580, 78754, 79220, 102986, 157508, 196885, 205972, 257465, 393770, 514930, 669409, 787540, 1029860, 1338818, 2677636, 3347045, 6694090, 13388180]

約数ペア:

[(1, 13388180), (2, 6694090), (4, 3347045), (5, 2677636), (10, 1338818), (13, 1029860), (17, 787540), (20, 669409), (26, 514930), (34, 393770), (52, 257465), (65, 205972), (68, 196885), (85, 157508), (130, 102986), (169, 79220), (170, 78754), (221, 60580), (233, 57460), (260, 51493), (338, 39610), (340, 39377), (442, 30290), (466, 28730), (676, 19805), (845, 15844), (884, 15145), (932, 14365), (1105, 12116), (1165, 11492), (1690, 7922), (2210, 6058), (2330, 5746), (2873, 4660), (3029, 4420), (3380, 3961)]