26259220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{457}}^1$

素因数の和:509

約数の個数: 72

約数和(自身を含む): 63363384

約数和(自身を除く): 37104164

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 169, 170, 221, 260, 338, 340, 442, 457, 676, 845, 884, 914, 1105, 1690, 1828, 2210, 2285, 2873, 3380, 4420, 4570, 5746, 5941, 7769, 9140, 11492, 11882, 14365, 15538, 23764, 28730, 29705, 31076, 38845, 57460, 59410, 77233, 77690, 100997, 118820, 154466, 155380, 201994, 308932, 386165, 403988, 504985, 772330, 1009970, 1312961, 1544660, 2019940, 2625922, 5251844, 6564805, 13129610, 26259220]

約数ペア:

[(1, 26259220), (2, 13129610), (4, 6564805), (5, 5251844), (10, 2625922), (13, 2019940), (17, 1544660), (20, 1312961), (26, 1009970), (34, 772330), (52, 504985), (65, 403988), (68, 386165), (85, 308932), (130, 201994), (169, 155380), (170, 154466), (221, 118820), (260, 100997), (338, 77690), (340, 77233), (442, 59410), (457, 57460), (676, 38845), (845, 31076), (884, 29705), (914, 28730), (1105, 23764), (1690, 15538), (1828, 14365), (2210, 11882), (2285, 11492), (2873, 9140), (3380, 7769), (4420, 5941), (4570, 5746)]