26928460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:323

約数の個数: 72

約数和(自身を含む): 63455616

約数和(自身を除く): 36527156

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 169, 257, 260, 310, 338, 403, 514, 620, 676, 806, 845, 1028, 1285, 1612, 1690, 2015, 2570, 3341, 3380, 4030, 5140, 5239, 6682, 7967, 8060, 10478, 13364, 15934, 16705, 20956, 26195, 31868, 33410, 39835, 43433, 52390, 66820, 79670, 86866, 103571, 104780, 159340, 173732, 207142, 217165, 414284, 434330, 517855, 868660, 1035710, 1346423, 2071420, 2692846, 5385692, 6732115, 13464230, 26928460]

約数ペア:

[(1, 26928460), (2, 13464230), (4, 6732115), (5, 5385692), (10, 2692846), (13, 2071420), (20, 1346423), (26, 1035710), (31, 868660), (52, 517855), (62, 434330), (65, 414284), (124, 217165), (130, 207142), (155, 173732), (169, 159340), (257, 104780), (260, 103571), (310, 86866), (338, 79670), (403, 66820), (514, 52390), (620, 43433), (676, 39835), (806, 33410), (845, 31868), (1028, 26195), (1285, 20956), (1612, 16705), (1690, 15934), (2015, 13364), (2570, 10478), (3341, 8060), (3380, 7967), (4030, 6682), (5140, 5239)]